Great and enjoyable story where there are no heroes and mostly flawed humans even if you have your moustache twirling, maddly laughing, perpetually monologing villains. The fact that they made the celebrated Sigu sect populated with nothing but idiots and self-involved characters with LXY as their uncontested leader will forever be dear to my heart. Especially as they were all written as likeable or at least understandable.

I enjoyed most the slow peeling of layers of hero-worship that clouded the narrative - for the character and viewer alike. Considering the main motivation of the LXY is not being able to deal with said hero worship (and his perceived inability to fulfil it with healthy dash of burn-out wonderchild), that was very nicely done. This is also a reason why I wasnt annoyed about the fact that everybody was obssessed with our LXY. It was ridiculous but played nicely to the whole theme of hero worship, meeting expectations and child geniuses dealing with glitches.
LXY can´t deal with the whole thing and runs away to live a simple life. But no matter what, he cannot escape fame and his past, which ultimately results into his death (the irony is - the legends remains). On this note, I loved the dynamic between LXY and DFS (the guy in general) - for me it created an option of carefree future where LXY is alive and well, where he truly let go of his past (as opposite to the zen-like statements LLH is spewing all over the place whilst living in this own portable tomb). DFS is another prodigy who, contrary to LXY, has much healtier approach to his past traumas, i.e. confronting them. and dealing with them.
In this sense, him pestering LXY for another match is sort of... asking him to live and be f*cking less sucidal, to let go of the guilt and truly move on, i.e. not throwing everything away just because of one mistake. Unfortunatelly... LXY is and awfully stubborn and arrogant man, so - there goes the ending. (Side note: the little side-story about the two drinking-fighting budies was a nice mirror to this LXY-DFS motif).

You could watch it as a hero´s journey where the MC is FDB on his road to adulthood (it´s rather explicit) - which could be to some extent viewed as casting off the rose-coloured glasses. All his heroes are f*ck-ups, most of the adults are rather useless and the whole martial world is filled with selfish, scheming or just hurt and confused people. And the boy goes through a journey and grows up while magically protecting his bubbly personality, just somewhat temepered, Which is cool and plausible.
And then there is the ending. Our bubbly boy forever optimistic and... nothing had seemingly changed. We are back on the starting point where the legend lives and people who should live their lives keep pining for one scared and scarred person who is too wrapped up in past for anybody´s well-being (dont get me wrong, i like LXY and accept the validity of his issues, but he is a deeply flawed creature - which makes him so wonderful, i guess).

Side note to this - the whole show can be viewed just as a prolonged and higly aeshetized suicide, basically. LXY most of the show talks about letting go of the past but he is unable to do so when it comes to himself (no matter what he says). He gives great advice, just doesnt live according to it, as it usually happens.

The detective cases and their reasoning is sometimes awfully farfetched but given the genre, it´s not really that much of an issue. On the positive note, in the initial stories not everything was explained in various explanatory monologues, which was nice. Not that there were none, but at least initially they offered some clues to chase for the viewers first.

There are some tiresome parts in the later part of the story where they try to keep up the detective structure which doesnt add much to the supposedly rising tension of the story. The main consipracy was interesting especially for the emotional impact. The final siege got a bit ridiculous.

However, if you want to see strong or even interesting female characters, don´t botther with this story. I greatly appreciate that the past love interest had some agency, but it doesnt change the fact that all the female characters are written either as fawning over one of the three main guys or/and having no personality and agency aside from helping them. Main evil lady is obssessed with a man, another woman marries a person after couple of days to aledgedly piss of another guy, young girl plays the wikipedia role to impress the guy and so on, and so on. The only one who maintained some levelheadedness was always faithful to LXY and pops up usually just to resolve some administrative issue (especially at first).
Still, it is a good and enjoyablel show. Just watch it for the boys.

As for acting, music, visual apeal etc - all nice and withtout much issue. the cgi is sometimes slightly subpar but nothing to cause much bother.

To sum this unexpected rambling up - there are many annoying tropes in this show but despite that, it´s very enjoyable and good watch because of the story (so many fix-it musings, so many...), the slight subversion of certain tropes and mostly the characters.
It could be viewed as tragedy, hidden behind the grand schemes and light elegant tones. Same as LXY hides his own issues with jest and diversions and never speaks of them, the show never overanalyzes (or even explicitly states) many of the issues he or others face . Whether that is done because dwelling too much on such things would only cheapen them or to forcibly preserve the elegant and rosy image, that is up to interpretation.