[Congratulations, Xion, you have a friend who doesn't really pry. Probably because he hates it when people prod him for uncomfortable information, himself.]

They're scientists. Nothing they ever do is only for data. Maybe it's pleasure, or maybe it's ambition, or maybe they're being coerced. There's always a reason.

[Reason enough to do sadistic things to innocent people...

Speaking of tone, he's got a certain degree of loathing in his as he talks about them. Someone isn't a fan of science apparently.]