I don't think it's funny, it's savvy. A coder found an exploit and took advantage of it. Let's stop this good samaritan bullshit, if you had 3M ether you would travel, do anything you wanted really. You wouldn't have an aristocratic sense to return it, lol.
I would return them...
You are a good one

I'm Christian, and they might have gotten some of them back. Not all. A lesson needs to be learned here, by everyone involved in this DAO business.