They are using a type of logical inference called abduction: based upon one's observations of an unexplained phenomenon, one formulated a hypothesis as to why it is so.

> If whoever wrote this, would be actually good at critical thinking, they would have noticed, that there is no logical connection. Just because I am good at one thing, does not mean, I have to be bad at another thing.

The logical fallacies you are using here are ad hominem and the straw man argument.