Earlier quoted context omitted.
That's a reasonable concern to have, but it's worth being aware that it's the exact same concern people had about Hans Reiser. Intelligence and judgement are orthogonal, and sometimes even in slight opposition. If you want to consider a different perspective: I'm an example of someone who does not have a hard time understand how someone who has enjoyed the rush of getting over on the entire media industry from behind…
The local police force here has a test to see if you 'have what it takes' to be a part of their cyber security squad or whatever they call it. On a lark I took part in it (the test was pretty simple, at least, that's what I thought). After taking the test (and knowing full well I had no intention to follow through on applying for a job with them, I just can't look at puzzles without getting this itch to solve them) I…
If you have a hard time believing anyone would do something like this, look at the 1990s: we got a book practically every year about one hacking group or another breaking into phone switches, credit reporting agencies, government and military networks, and financial institutions. If you can do it, and you're unlikely to get caught --- and you are very unlikely to ever get caught --- why not? Plenty of smart people did stuff like this. Plenty of them.
The most interesting stories from that era did not get written up. Kevin Mitnick didn't write the TCP sequencer. Kevin Mitnick couldn't sequence an ordered array of integers if it was #defined for him in advance.