@Zhou
If you played any Resident Evil game, you'd notice the bad guys (Birkin, Wesker, Alexia Ashford) all started their careers as mad scientist when they were teens, that's the "kid prodigy" trope at work.
Terada would make a convincing Umbrella scientist too, though I guess part of the reason why he's such a misanthrope is because he did not have the happiest life as a kid and so wants to get back at those who "cannot understand" (that is, anyone who's not an immoral bastard like him).
I just wish my Uroboros wife would messily eviscerate him at this point.