There’s a clear campaign against the mentally ill with the global rise of fascism. Lots of it shows up in anti homeless rhetoric, but you can see it in the MAHA and anti vaccination movements.
There’s no reason to use the word “r-tarded” to describe someone. As someone who’s worked with the intellectually challenged, it’s an insult to them to compare them with people who are willfully ignorant.
You’re right technically but things have regression so far back were at 2016 levels of slurs the nword is making a comeback. Until thats sorted you have zero chance getting people to care about retard.