In reply to Trangia:
You ask: which is worse, an abuser going free or an innocent being accused?
One for one, I think you're right that it's the latter. But....
1. There's also an affect on future abuse - as you say, you might get them next time. But next time means another victim.
2. But then again, you might not get them next time. The nature of abuse means it's often one persons word against anothers and then those circumstances it's hard to prove beyond readonable doubt. So you often need multiple independent victims to convict and you need public allegations for this to happen.
What this means is that naming the accused prevents some abuse. So there's a trade off. Innocent men publicly accused versus victims abused. It's a horrible choice but as a society we have to make it and I think where we are now is better than where we were.
Also, remember this: unless the majority of accusations of sexual abuse are false then most men found innocent by the law are in fact guilty.