forcing people to do pvp in order to do pve content on a pve server is what the problem is. DUH!!!
its all over every planet, everywhere already!! lol, you go through numberous PvP areas through the course of leveling, so no, its not an issue.
Ilum missions are not required to complete your main storyline, its basically just additional story for fun, and a place to get in a couple extra dailies.