I've never been confused by git checkout. git checkout <branch> switches to a branch. git checkout <commit> switches to a commit in a detached head state. git checkout <file> switches just the content of a file. You can also combine these ofc but it all works pretty much as expected. The -b switch for creating new branches is someting you need to look up once and then just remember - and it does make sense - you are switching to a new branch.
I've dealt with people who are new to git and the fact that "git checkout X" does one thing or another based on what X is, was confusing for them, even if I could find an explanation for it. If you didn't have the same experience, good for you!
But compare "git switch X" and "git restore X". This makes different things look different, and obvious, which is usually a valuable thing when learning a new tool.
