The sentence is a question, even if rhetorical. When “you realize” is added to the sentence, you are turning it into a question, even if it is one you aren’t seeking an answer for. Anyway you look at this sentence, it is asking if they realize something.
Yeah I don’t actually care about grammar, and spelling, in such an informal setting, as long as I can understand what is being said. That being said, the commentary jokes are riffing on the grammar, so…