I don't think it's quite that simple. The employer certainly bears some responsibility, but making a public accusation to thousands of twitter followers can qui

I don't think it's quite that simple. The employer certainly bears some responsibility, but making a public accusation to thousands of twitter followers can quickly create a lot of pressure on the company to visibly punish the joker. PyCon's code of conduct specifically says "Public shaming can be counter-productive to building a strong community."