They're not strippers, and they're not hired. They're volunteers, and it was their idea. http://www.schneier.com/blog/archives/2012/08/sexual_harassm... and http://www.schneier.com/blog/archives/2012/08/sexual_harassm...

Even so, it still reflects badly on the EFF. It might not have been their idea originally but they accepted the suggestion and gave it their approval.

Maybe in other contexts, but I'm not sure that Def Con was a bad place for it.

The slut shaming is very ironic.

From a distance, it's not easy to tell the difference.

If this is true (I have no idea, but trust Schneier), can you see why people are complaining about how endemic sexism is in tech?