Why can some people be SO rude and pushy about feeding?!?

I understand that " is best" - however, that is just a general rule. It is not always the case. I fed my son until he was 4 months, and because of low weight gain, decided to switch to the bottle. It was emotional at first, but I knew that formula, at that point, was best for him. He flourished, and I think he enjoyed the formula more than he did me! I knew I could have pumped, or supplemented, or both. However, in my opinion, being a happy mom, who's not exhausted by merely feeding my child, is what's best. I'd rather spend the time playing with my son than sitting on the couch pumping and making formula AFTER feeding him. Anyways, I just find on here that a LOT of people are really pushy about BFing - even when the person isn't even asking people's opinion about it. It's sad - we're all parents and should support what other parents are doing, and not be condemning about it. (Unless a parent is doing something completely unsafe, of course.) I just feel bad for those moms who get ragged on for not BFing. It's each person's choice, and we don't always know the reasons behind it. Everyone has their own. I don't think BFing is wrong, of course (I am pro-feeding, but not pushy about it), but neither is bottle-feeding. One or the other can't make you a good or bad parent. Why is this? Any insight? Anyone else feel this way? Thanks! :)