I also support the freedom to protest (breastfeeding in front of facebook offices). However, I have to admit I kind of "face palmed" when I heard that that was their plan of action. Whatever, their right. And I won't be there to take it away from them.
One last thought. In no way does facebook "have" to let women show pictures of them breasfeeding. I feel some people are quick to jump the gun and pull the "freedom of speech" card on websites like this. By signing up with facebook, you are joining a club and swearing that you'll follow the rules of that club. If the club decides to ban something, its their right. Just like stores can refuse to serve customers.
Interesting read, thanks.