Key part being the last sentence here:

"We prohibit targeting others with repeated slurs, tropes or other content that intends to dehumanize, degrade or reinforce negative or harmful stereotypes about a protected category. This includes targeted misgendering or deadnaming of transgender individuals."

Perhaps Twitter does arbitrarily enforce punishment for intentional misgendering. Doesn't change the fact that Babylon Bee shouldn't agree to those terms in the first place if they have no plan on adhering to them.