Financial: can't pay with Monero or cash, can't just buy Privacy Pass tokens instead of generating them from my account. Usability: can't access other features than Search with Privacy Pass, looking for a location doesn't pop a Maps widget, missing useful/cool search widgets from google and ddg (coinflip, rng, minigames, weather), bad Tor Browser integration (requires installing an add-on), bad/missing Mastodon search
But resources are being funneled towards replacing Google the company/stack instead of Google the search engine/app, so it begs the question if search is still really the top priority or not
Would I prefer they do only the search engine? Sure, but until anybody else makes something equivalent, I'm not going to complain.
Same for Apple. Are they wasting time and money on things which doesn't make sense? Sure, but in the past 20 years no other of their billion dollar competitors have even tried to make a decent laptop.