The only time FMV works is when it's ridiculously cheesy (Command and Conquer), so I don't know if I miss it all that much.
Couch co-op on the other hand... Let's just say, I'd take splitscreen with my friends over some random asshole on the internet any day. I've never been that into online games, and even when I do play them, it's almost always with friends. Hearthstone is one of the few online games I can think of that I actually will play by myself. However, I still like trying my decks against friends more than grinding through ladder.
I think couch co-op is one of the main reasons I've loved the Borderlands series so much. Ya the menus were awkward as fuck in splitscreen, but for me, nothing beats taking down Crawmerax the Invincible with a friend sitting next to me.