The problem is in 2018, everyone intolerant person claims the only thing they're intolerant of is intolerance. Conservatives complain about liberal intolerance and vice-versa. We've moved from plain level-0 intolerance to meta-intolerance.
But the situations that don't fall into this group are more troubling as they can involve sincere and passionate advocates of civil society acting in ways that undermine that very thing.