1.it's not about fighters being able to travel and carrie the necessary supplies for a period of time,it's about..well..living in car for a few weeks/months without being able to move,etc..
If you say it's possible and you have done it..then, my friend..you have my deep sympathy
2.This is not vanilla with only fighters,so..stop comparing it to this mod !
People want to believe that God has a plan for them.
They don't wanna believe that anyone else does..