Ok, even though I know this will make no difference to ‘you people’ (sorry just cannot help myself xD).
In this case I choose to use this specific word because it’s so obviously a dogwhistle for right wing extremists that in the context of this meme I think it’s funny, since my actual stance is neither authoritarian or rightwing.
I don’t seriously mean to perpetuate negative stereotypes with regards to people with mental handicaps.
Just as a curiosity, are you by any chance from the US? I just cannot imagine anyone from Europe making such a big deal about a joke like this, let alone use the term ableist.
I guess my brain has just rotted as a result of a few decades of being on the internet. Inside i’m still an edgy teen apparently. No actual offense meant :)