This is pretty nice example of "blaming the victim" mentality. No, there was no missed opportunity for salesman, no the salesman done nothing wrong. Did not went out of way to make the situation sux for others either.
Yes, let's bring out the pitchforks for a spur-of-the-moment thing that someone did 40 years ago. Really. I'm sure the victim is still seeing his shrink on account of this.
Let's have a bit of perspective here.