I'm an avid Universal fan, and like most of us here, I think we can agree that Universal leaned on screens way too much, especially since they all include the same gags (water spray, fake falling to your death, being grabbed/shaked by a giant monsters, etc.). Screenz are not bad, over relying on them to do the same gags over and over again is.
The "too many coasters" talk is mostly driven by the fact that Universal hasn't built a scenic-based dark ride in a long time that doesn't rely on screens outside of SLOP at USH... but I don't think they've overly relied on coasters. If anything, the parks were deprived of them.