I can see why people might think this is a good idea. I can see why it would not be.
cheatsheet for the vim 7 spell checker plugin
Michael Bywater should apologise for writing, “Your a twatâ€, a phrase I find particularly offensive. It’s “You’re a twat.†Idiot. (Sorry.)
An ML based system for improving academic writing w/ grammar checking and alternative phrasing suggestions. Available as an Overleaf program.