If your tool is TextMate, you should learn how TextMate grammars work. If your tool is vi, you should learn how modal editing works. If your tool is Ed, you don't need to learn anything because "Ed is the standard text editor".[1]
A programmer having to learn how language servers work isn't a pain point, it's their job. It takes a couple hours to learn. A couple hours to learn how to do part of your job isn't notable. Complaining about learning how to do one's job makes one unqualified.