Lol trust me bronze is easy to get out of even with afkers or feeders, people do the stupidest things. I've actually won 3v5's before in bronze, you just need to know how to win lane early and then take objectives with your advantage. For example I was against a bronze V ashe in lane earlier(normals) since the enemy was premade, I pretty much won lane effortlessly due to how many mistakes she made.

Just keep in mind the enemy has equal chances of having bad players. If you want you can add me and I can spectate you and tell ya what you're doing wrong