The problem with full act clears is you HAVE to do things like save the dumb residents of Caldium from the green fireballs.
I rescue one person, then move myself as far back as possible in that alcove and alt+tab or find something to do at home for a few minutes. I'm not sure even rescuing the one person is necessary. Still, I've never enjoyed that quest. I got the achievement and have alt+tabbed it ever since. It does go faster if you do it, though, as once everyone is dead or rescued the event ends. It's just a good opportunity to take a break.
Yeah, full act clears...eh. My husband really likes them, so I am willing to do them when I play with him. He loots a lot more than I do, too, which is understandable as he's newer. It does break up the faster pace I usually play at, which is welcome sometimes. I am pleased to see that quest exp will be a thing in the patch for players like him. I'm still probably going to prefer doing fast area clears, waypoint to waypoint, or fast CotA clears. Some of us really do like a short farm. It's nice to run CotA, pop out to deal with auctions, and run CotA again. It would drive my husband absolutely up a wall, but it feels far less tedious to me than doing a long run. When it gets old, I do something else. I don't feel locked in to CotA runs.