This is a decent account of how much has changed, and he conveys the sense of alienation well. But what strikes me is that he talks about the whole thing like something that unaccountably happened to him. He didn't install botnets; he was arrested for installing botnets. Botnets that he somehow sees as part of the "true spirit of hacking", from the long-lost innocent age of 2009, when pure curiosity was the only moti…
That was cool in the 70's when telecoms infrastructure wasn't commoditized. I understand how enticing it is to hack big co telephone networks, for example. Big, big machines with very strict access rights.
2009. Computing and communications infrastructure is commoditized. The world is literally swimming in computers. There is no unusual computing or telecoms capability you can harness by breaking into another system. It just means you want to break into the system instead of actually using your own.
It's pedestrian and rude, like stealing someone's umbrella.
Plus, he breached the implicit trust in him as an employer.
10 years is a lot, though, for bad taste and disappointing social graces.