"'m sure it is baby boomers who are calling FP an "arsehole" for talking smack about boomers"

No it's for all of the other vile sh!t that comes out of his mouth. Like being a slumlord who thinks it's charity to charge high rents to poor people he loaths. Whining about where the tax money goes yet he pays no taxes. And then there's the military service angle which isn't going to earn him any respect at all. A lot of talk with no skin in the game. Probably doesn't even vote.