It's actually not that hard to believe that, out of tens of thousands of people (or more?) world-wide with the capability to build something like this, there's

It's actually not that hard to believe that, out of tens of thousands of people (or more?) world-wide with the capability to build something like this, there's at least one person who actually would do it. That's the problem with trolling - one person can offend thousands of people at a time!