With only a little sense of self aware irony, one thing I hate about so much dialog these days is how vehement opinions are. I don't particularly like the rounded corners, and think it's a regression. It's also... fine. It's not the difference between usable and entirely unusable. And I see this kind of attitude all over the place now. A slight change, some slightly non-ideal behavior and all of a sudden a product is…
If you want ads in Spotlight or Launchpad, telling people to tolerate "opinionated, and likely worse but also not breaking" features is exactly how you get it. It's how Windows got there.