I think this will cause as many problems as it solves (from Reddit’s POV), going private has always been a panic button for mods when shit hits the fan. Now those controversies will have much longer to build and have news stories written about it first. Short sighted.
Go to language and region > click 3 dots for your language > language options > add a keyboard > add Dvorak (or whatever). Then either remove the qwerty layout or do win+space to actually select the keyboard layout.