I mean… their water rides have mostly been fantastic… (Dudley, Popeye’s, Jurassic Park, Jaws).
And I actually think their omnimovers are good as omnimovers. Pets suffers from being too small (which is a problem) and Yoshi suffers from being too young (which purely a perspective problem).
EDIT - FWIW, and this is really a different discussion, I think Universal suffers more from a desire to push the technological envelope at the expense of a solid ride experience. BttF, T2:3D, Spider-Man, all the Potters, Mario Kart… even coasters like Dueling Dragons and Hulk. It feels like (and I know this isn’t necessarily true) they over complicate the delivery mechanism for the story they want to tell instead of slightly tweaking the story to a more reliable system.
Ministry could have been a Kuka. It would have been more reliable if it was. DK could have been a standard coaster and would be reliable if it was. But, because of a constant expectation to push push push for new and different, we got a park of new and different. And all the risks associated with that.
Disney is, generally, the opposite. They tend to go familiar in their ride systems, and only rarely attempt multiple groundbreakers at once (how many years was it between Avatar and Ride of the Resistance).