Re: Abrams Trek Has To be Full Reboot.
Yes, in previous time travel episodes, the Prime reality was changed without creating a new branch...
Who's to say branches weren't created?
Well, in all other instances I'm aware of (Yesterday's Enterprise, ST:FC, etc.), the timeline was reset at the end to the same one that it started out as.
Sweet dreams are made of cheese
Who am I to diss a Brie?
I Cheddar the world and the Feta cheese
Everybody's looking for Stilton