Another factor with UI is it's inherently about appearance and what's in fashion... bootstrap, material etc..
A single unifying framework can never dominate, because everyone wants a unique looking website
A single unifying framework can never dominate, because everyone wants a unique looking website
Honestly, that just sounds like re-implementation with extra steps and an extra layer of wrapper/bridge nonsense. If I am going to completely redesign and customize the provided controls, I might as well roll my own. It would be way quicker and easy to maintain than a mountain of hacks on top of each other.
It's not a great thing.
Really? That would be really terrible wouldn't it? Did you imagine that world? (Maybe I misunderstand you.)
Which currently existing website would you most want all websites to look and function like, if you had to choose?