I know what he means. GTA3 let's say had camera directly behind car, GTA4 shifted it to the left a bit, giving you a driver seat feel.
The first time I got into Roman's car after getting off the boat, that slight shift took me off guard. I actually hated it....for about 45seconds, then I got used to it and thought it was a pretty smart little tweak.
And I'm pretty sure they'll keep it. Odd you couldn't get used to it, haven't seen big complaints from users (around forums anyway).
And these kinds of "minor things" are what makes GTA great. So they matter greatly IMO.