The fundamental problem is this: The first word we learn as children is NO. From that point forward society teaches women that saying no isn't polite, and society teaches men to respect those who wont take no for an answer.
The world is what you make of it, my friend. If it doesn't fit, you make alterations. -- Stella, The Morning Star
I didn't try poison +3, but I've maxed and capped poison weapons and hit myself with them. With DMM it does around 90% dmg. So it can't be broken across the board, but it just seems like +1 and +2 (maybe +3 as well, but didn't test) are broken.