People
I argue very well. Ask any of my remaining friends. I can win an argument on any topic, against any opponent. People know this, and steer clear of me at parties. Often, as a sign of their great respect, they don't even invite me.
— Dave Barry

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker boasts of unbeatable skill at arguing, then reveals the price: friends have dwindled and party hosts leave them off the guest list. The humour lies in recasting exclusion as a compliment, with dread of their debating presented as respect.
Context reviewed