Sometimes when you enter a horde, it’s almost completely zoomed in on the center Pokemon, sometimes you can see all five of the Pokemon easily, and sometimes it’s in-between.
If you don’t believe me spam Sweet Scent in a field of grass
Pleaselog inorregisterto add a comment.
Doesn’t seem like something with a concrete answer. It was the first (mainline) 3D Pokémon games so they probably wanted to experiment with stylish angles anyway.
I don’t think there’s any mechanical reason for it. If it’s not highlighting a special Pokemon it simply serves an aesthetic purpose. They did a lot of weird camera angles in Gen VI, like with Lumiose City.
It’s just a detail, nothing more.