Will we be able to gather at different locations as many times as we want or will random gathering points pop in and out?

_I still don't understand the reason behind random gathering points, it's not like it's should be harder that farming on a DoW. With a DoL, it should promote more areas to farm Mats thus making it just as enjoyable as a DoW.
_When I need Mats, shouldn't have to worry about where to go get it.