Galileo made more than one argument. And more than one argument has been made which refers to the Galileo trial.
If you invoke “the Galileo argument” without clearly stating your point, that is laziness on your part, and no one else’s.
For now, I will assume you refer to your ahistorical assertion that Galileo was some kind of unqualified outsider. An ”argument“ that was, and remains, completely detached from the historical facts.
Reading comprehension. The laziness refers to him not looking or following along to the prior articles/study/video.
As to Galileo...it's old ground. I'm shorthanding here because I'm busy (which is a fair critique) but my assumption is that even he would get it.