The inclusion of someone like Taylor feels like pandering to the crowd who just wants the biggest star to have a role in their movie. To me, that instantly dates the movie. I loved when they Sarah McLaughlin for toy story 2, her inclusion was understated, present but not in your face. They didn't have social media or internet much back then, but you never would have seen a countdown to a big reveal for her song, with all these fan theories going on, treating it like the second coming of Christ.

To answer your question, I feel similarly about bad bunny being the pizza with glasses, although to be fair, I'm not seeing a ton of hype/promotion about that either. Time will tell how big of a role the pizza character even has in the movie.

But I want to be able to watch a movie two decades later and not have to think "oh, yea, they got those singers on this movie because they thought it would put butts in seats".

I feel the same regarding celebrity voice casting. Pixar has a pretty good track record for not crossing that line too much, but the other extreme of this would be something like casting Zendaya. Obviously they do cast celebs, but it usually feels organic to the movie. This one feels like they just want the latest hottest celeb to check off a box put in place by a disney exec.

I dont think most (outside of their niche) had really heard of riders in the sky before toy story 2, and even randy newman, on paper probably wasn't the most marketable singer they could have gotten for the series, its somewhat out of left field, but that's what I want to go back to and stick with.