I think my daughter was playing when you sent those invites. I saw them pop up. Haven't been able to post until now.
Titanfall is a really cool game but the social components are totally lacking. Needs to be a way to launch a private server or play in solo mode to explore maps a bit. Or just select one map that you want to play and hit that one. As it is, all you can do is play whatever the heck
gets thrown at you in the game style selected.
Oh well.