Because they're new. Like that's literally 50% or more of the reason. Why do you think dragonborn have such a committed antifandom? It ain't because they're strong (prior to Fizban's, they were the weakest PHB race), it ain't because they're unpopular (they have grown to be the 4th most popular race if you lump together all subraces, behind human, half-elf, and elf.) It's because they're new. That is literally the reason.
Ascendant Dragon 3 our dragon superfan here is not great, but it's better than this Drunken Master 12 unlike stuff that requires you to burn Ki to do anything
Long Death 15
Open Hand 23
Sun Soul 21