Is the only real purpose (minus realism of course) of fuel burn to limit the amount of time we fly in one flight? Also will we be forced to use fuel burn on Live? Just brainstorming some ideas.
Yes, I believe that is one of the reasons for implementing fuel burn. Also, I think that is has been confirmed that fuel burn will be forced on Live (don’t quote me on that).
I’m sure there are much more detailed answers to your questions here:
We don’t know yet.