[inopinatus]

Your argument goes as follows: “I’m incapable of it, therefore no-one is capable of it”.

Followed by, “You should abandon your preferences because I don’t share them”.

[TZubiri]

On some fields doing somethingothers are not capable is an advantage, on others it's elitism.

Language, communication, are more like the latter, communicarion benefits from everyone using a common language, except when that niche sociolect is domain specific, which an emdash isn't.