Are my friends right when they say it's my fault and that i brought upon myself by coming out?

No, I think you're right to be mad at him. Being gay isn't some stupid gossip for someone to spread around, it's a big part of who you are. Coming out to one person, especially a close friend, just means you want someone to talk to about it so you don't have to keep it all inside anymore, not that you wanna tell the whole world