Planetside lost some of it's original vision after heavily incorporating changes from forum complaints/suggestions. This had the net effect of removing strategic or skill based methods of achieving goals. Interestingly enough, with quick enough hands and some skill a BFR could be brought down from a hot drop mosquito. That of course was nerfed beyond recognition in the name of only equally classed entities should be able to really interact/combat with each other. No sir, your battle monger 5000 can't shoot the peons because the weapons weren't designed for that!
There are a good deal more examples of what drove away their community, but we don't really need to go into that. Sadly, PS2 is going to re-envision all the poor ideas they contrived throughout the first PS. It will be interesting to see if a vanity approach to sales will function with this game. In most cases, the combat isn't necessarily as face to face as other games which have found that route to be viable.