Support. These suggestions are a good investment. Infection has defiantly lost it's rep due to all the camping. The multiple spawn points idea would greatly improve gameplay for not only players, but in all around fairness in game.
Support for name tags. On spawn killing though, I think humans should have an attack cooldown after they kill a zombie. That would make everyone stop camping up at one spot.
Support. The spawn killing and areas of the map that zombies cannot get to are the two major reasons I rarely play infection