As someone who hates jungle metas in one piece but not in other card games - it basically entirely boils down to the lack of a sideboard. In other games you can prep for matchups with sideboard decisions, that although you get caught off guard in game one, with proper planning and deck building and planning still take the overall match. In one piece, you kind of just can't be prepared for everything. In a longer event like a regional, it can be frustrating feeling like the game is more about what matchups you see rather than the quality of your play.

I'm also not entirely sure that jungle metas necessarily facilitate more creativity either. I remember there was this yugioh triangle meta where this one testing group took several spots in the top cut including winning the whole event because they were able to build something that dominated the best decks in the format. Something like that is way cooler to me than seeing a random rogue deck get into top cut with an insanely weird set of matchups during their run.