but there in fact are some savants for which quickly understanding and mastering highly technical domains just comes naturally.

Doesn't work like that ; some people's brains work a bit differently and they are also used to solving problems differently due to resulting disadvantages in the usual ways.

For a typical person solving a problem with effort in different places from how they do it, this looks like something effortless. It's not.

This is not something specific to people with disorders.

In the society one can easily find two people envying each other because they only see the difference not in their favor. Similar to ethnic stereotypes and hostility based on them, usually members of each group think that the other group is somehow stronger and threatening them. Even Nazi propaganda about Jews had them controlling the world, being very cunning and get-everywhere, and such.

who have no problem declaring they know everything about everything than almost exclusively non-charismatic, high functioning geniuses that are almost always too neurotic to want to lead, which makes them even more desirable candidates to be drafted into it.

A stereotype again. You know, it really sucks to meet both people who are following it and those who are contrarian to it. Both tend to ignore the real traits of certain conditions and wave them off to you just being lazy or an asshole.