almost 4 years ago - Shurenai - Direct link
I've honestly never experienced the old or even new controller controls so I can't say which is better.

That said, from the description of the change in the patch notes, I'm guessing that they moved away from a weird control setup to the typical setup that all vehicles typically have in games. Which is to say, Left stick steers, while right stick controls the camera? In which case, I think you're just so accustomed to the old controls that the new (and basically industry standardized) controls feel weird tbh.
almost 4 years ago - Crater Creator - Direct link
Some have been sharing their opinions of it on the official forum.

https://community.7daystodie.com/topic/23716-vehicle-controls-using-a-gamepad-now-sucks/