Serious question: while both are considered "vulgar", why is calling a man a prick less offensive

[The River]

22. It's Primitive

and a biologically driven instinct.
They are useful, quite handy and
more fun than....everything else.

Owning one can be a burden.
It makes us competitive, primarily
for mates, but it spills over into every
aspect of our lives. That's where the
problems begin.

As for the supposed phallic insults?
We think they're compliments.