Tell that to the thousands of female bodybuilders who could twist you into a preztel. It's not that they CAN'T get muscle, it's that society tells them they shouldn't because it isn't 'ladylike'.
Is Marge a professional male bodybuilder? Because, uh, I suspect he is not and therefore that is a ridiculous comparison to make.
All female tennis players are better than I am at tennis. That is because I, despite being a man, am not good at tennis. However, the best male tennis players hit harder then the best female players. Do you see how I am not claiming to be superior due to my having balls?
Many bodybuilders are in crummy shape anyways. Having GIANT MUSCLES doesn't mean you're capable of running around for two hours like most athletes have to. They are strong sometimes, but often they'll be weak as kittens before a show because of their crazy sudden abstinence from food.
I don't get the "LOOK AT FEMALE BODYBUILDERS" argument. I would indeed enjoy watching a bodybuilding player tennis, it would be quite a retarded spectacle! "but but they can be strong" yeah, but can they be overall as strong as men while retaining the same level of agility? Rarely! Men are bigger, so they can hold more muscles without them interfering with each other negatively. FACT
"Oh you've got a ladies hormones" "gr9 let me at 'em"
or
"Sorry the power of testicles flows through you"
"Darn"
Tennis is a game of skill, anyways. Being slightly more powerful doesn't mean you automatically win. TENNIS SCANDAL