Aespa released Drama this year which is anything but y2k, last year they released 2 singles, both with different concepts and genres.
Idle released three hits with different genres this year and ive did the same last year.
Lesserafim released a whole album consisting of different genres.
Kof which is a trendy rookie gg these days isn't doing y2k.
BM is releasing typical yg sound.
Nmixx is doing experimental sound.
You've so many options but you chose to rant about one gg doing y2k and making noise.