Not everyone, I think? Change of perspective definitely impacted gameplay, and I'm not just talking about Top-Down Turn-Based vs. First-Person/Third-Person Real-Time. Things like world scale and number of NPCs has to be compromised especially because of the shitty engine. And while there are some, interactions with objects/NPCs (the right-click on stuff to Look At, Use Items At etc etc) are limited to what the developers designed/scripted instead of being given full freedom for players to figure out and accomplish by themselves (For example, interact with a console, being told that you need to bring an item, you bring said item to the console and finish the job; VS figuring out which of console to look at, figuring out that you'd need to bring an item OR use Science/Repair to bypass the need of said item, get said item and finish the job if you haven't already with Science/Repair). And not to mention some verticality because I can't remember any moments in Fallout 3 or New Vegas where we use a rope to climb up or down some ruins or whatever (like we can in Vault 15 or the Glow in Fallout 1), but instead the ruins would conveniently have the upper floor that fell down forming an elevation.