So yeah, you haven't really responded to the statement that your position is elitist, or at least smartassery that no linguist actually supports.

maybe it was proposed because ‘ё’ denotes a very particular sound?

Indeed. And then it wasn't made generally mandatory, and then the Russian language continued to work fine.

Which, notably, Western languages can never quite approximate

Why would that be remotely notable here? We're talking about Russian spelling of Russian language.

perhaps because the letters are in a different position?

And what is that position that makes the difference?