Prone position is conducive to slow, tactical gameplay - not run and gun crazy shit
BF has never been about slow and tactical, so i never felt that it fit much anyways
but id still rather have it available as an option than not, if you are going to have a military FPS game. it would be nice to have multiple options to play the game even if the overall design is more or less streamlined
BF series used to be about stupidly overpowered vehicles fighting each other while mostly insignificant infantry ran from one flag to the next - so who gives a shit if its getting dumber or not. it started out dumb