Because of single Vault Dweller with a lotta saves.
except sterile.
if you remember Fallout Tactics, the SM there where able to run, but at a slower rate, so probably make there running animation and run speed at a slower rate
http://www.youtube.com/watch?v=WzSOKi_t5fg
troll detected. but still ill answer: MAYBE when 3D era is ready and going.
Any action or inaction in a position of power will always grant you enemies