Some people... (B-body owner of course)

Yes, my comment about B-body guys was all in good fun, no harm meant.
And as others have suggested I did congratulate him on his nice car and left it at that. There was no confrontation or calling bs on his lack of knowledge.
I did leave it at that though. He was a bit arrogant in his attitude and fairly stand off-ish so I paid for what I wanted and was on my way.