I would think that calling an 8" by 6" penis average shows a lack of respect , but it has been suggested this is not so.
Note this does not deal with if it is a deliberate, just if you feel it shows a lack of respect.
So for instance this may be the first penis she has ever seen, ( lived with Nuns) and she didn't know better.
Understandable and all, but not the question . The question deals only with how you feel about the assertion