I learned vim to, say, like, a low-moderate-ish proficiency? Basically forced myself to use it everywhere at work and home. After a few weeks of this... I went back to just vanilla IDEs/Editors.

For me, it was just a mix of not liking some stuff being handled in vim bindings and some stuff being handled by the IDE's bindings. I'm sure there's a bunch've plugins or customizations that'd smooth it over, but... vim also made me realize, I'm a pretty meat and potatoes text editing kinda guy. I like to shift lines, expand selections in a context aware way, and copy/paste. When I split panes, I do it with the mouse like a cave man. So the bulk of vims power was either lost on me, or felt like it got in the way of my minimal needs.

Also, I pretty much never ssh onto an individual machine to edit anything substantial these days, so... the selling point of having some bedrock transferable "everywhere" skill is kinda moot.