"pg's response is actually priceless: it is like a soft-spoken witness upending a bullying lawyer who had just viciously attacked him, leaving the attacker reeling for all to see."
Which you don't mention at all in your response...
"If you're under 40, I'm largely uninterested in your take on the world. That includes my own; I know I still have things to learn and I make a proactive effort to listen more than I talk. I don't always succeed."
Are you actually being serious? Your brain works in such a way that any person who has lived less than 14,610 days couldn't possibly add any value to your life? I don't mean to be harsh but this could be the dumbest thing I've ever heard in my life. Certainly worse than anything I've seen on Medium.
If I was pg and this was these were the type of people and defenses that were coming to my aid, I would be mortified.