The turn of phrase is meant as exaggeration, not a change in formal definition.
I have often seen it being used in a flexible bendy way that pretends to be the formal definition whenever it suits the poster, such as someone being called "literally insane" because someone disagreed with them.
I have often seen it being used in a flexible bendy way that pretends to be the formal definition whenever it suits the poster, such as someone being called "literally insane" because someone disagreed with them.
That's just another example of hyperbole.
Only a tiny bit of ableistic concern trolling, totally factually, in the center of that hyperbole. No change in formal definition.