Not that anyone ought to continue at a place they feel unwelcome, but if people that fall under the diverse demographic they're advocating for quit, aren't they

Not that anyone ought to continue at a place they feel unwelcome, but if people that fall under the diverse demographic they're advocating for quit, aren't they just bolstering the status-quo they wish to disrupt? That said, according to the article's statistics diversity is continually increasing at Facebook.