For sure, even this article addresses meta fatigue.

There's no one correct way to make a game, and I have a great deal of respect for games like the ones you mentioned for being able to present very choicey narratives. While those types of games have their own tradeoffs, they're still impressive in their own right.

I'm just very defensive of Undertale because it's one of my favourite games. Like, of all time. I don't think every game should replicate Undertale's approach, though. Games will be at their best when an artistic vision is pursued over copying trends.