If you are in a fire team or strike skipping a cutscene would mess you up, so that's for the weekly strikes and such. Also they probably spent a lot of money for animation/voice actors for those so they don't want people skipping them. Also it tells you what you are doing and it isn't that long so can you guys please stop complaining about cutscenes.
-
Well, to quote the quick and dirty SWTOR player type: "Spacebar, please!" In some cases only "Spacebar!" or "Skip!" Sometimes a little more unfriendly. I don't know why they didn't do it like that. If the whole team wants to skip, skip. If one doesn't want to, everybody has to watch. Maybe with a little message like "2/3 fireteam members want skip. For skipping, please press up, up, down, down, left, right, left, right, a, b.