If you read the whole post, at a few websites he had to email their support, asking for transfer of their usernames. Once they agreed to give in 'next 48 hours'

If you read the whole post, at a few websites he had to email their support, asking for transfer of their usernames. Once they agreed to give in 'next 48 hours', he could have finally said, "No thanks, I just wanted to test how easy it is." You just need the will. I bet all this sharing of info was an after thought.