Informal fallacy: A logical fallacy that is due to its content and context rather than its form.
In reality, there is a third option, one could very well be neutral; and a fourth option, one may be against both; and even a fifth option, one may empathize with elements of both. Here, whether or not the person is a historian has no impact on the merit of their argument and does nothing to strengthen the attacker's position.
Then she said nothing when the teacher asked, "Who did that? Otherwise, it is said to be invalid. The illustrations are partly inspired by allegories such as Orwell's Animal Farm and partly by the humorous nonsense of works such as Lewis Carroll's stories and poems.
This makes CMC appear much more benign and beneficial than critics believe it to be. These characteristics vary by message size limit, synchronicity of communication, visibility, level of interactivity, technology, and channel of communication Verheijen Domino See Slippery Slope.
In closing, the rules of logic are not laws of the natural world nor do they constitute all of human reasoning. I can't think of a better way to be taught or reintroduced to these fundamental notions of logical discourse.
Though it may be the case that the sequence of events may happen, each transition occurring with some probability, this type of argument assumes that all transitions are inevitable, all the while providing no evidence in support of that.