Isn't that jumping to conclusions? Do you only accept conclusions made by yourself
Is English your first language? Your buddy is casting all his opinions as fact, and denouncing as idiots anyone who disagrees in any particular.
And he's doing it in a remarkably obnoxious manner.
And he's wrong.
I've been hanging out on the internet in one form or another since the late 1980s ... there's nothing new about his behaviour. Also nothing new about my contempt for it, for the people who engage in it, and for the people who defend it.