-isms are a belief that "$group does $thing, so $person who is a part of $group probably $thing" held or supported by a large enough group of people that it out

-isms are a belief that "$group does $thing, so $person who is a part of $group probably $thing" held or supported by a large enough group of people that it out-powers $person. Saying only long-held -isms somehow pass your bar is gatekeeping and not ok. Victims don't need your approval.