I just read the whole rant, and it's clearly and without a doubt generated by an LLM.
The grammar and spelling are too good. It's also too coherent, but more importantly it's too cohesive. It meanders a lot but eventually returns to the point. It's trying to present a formulaic argument the way LLMs always do, and in a way that Trump never has.
It also hits on points that Trump would never mention, like that Sandy Hook wasn't a hoax.
And just in case there's any doubt, it's loaded with em dashes.