The Z made that dude feel his supressed homosexual feelings start to come out and he freaked! The gentle curves mixed with the masculine haunches were just too much for him.
The shallowness of those types of comments clearly indicate the shallowness of his knowledge of the car. Most people that know details and history of a car tend to have some level of respect regardless of the type of car and what demographic it is most popular with.
For the cracked out bum I would have put some lead in his kneecaps followed by two broken collarbones. Then I would have taken the $10.