It is certainly obvious from his writings that he is a perfectionist and technically gifted. As I recall, he lasted about a week in grueling college dorm life.
The locust primitive is the guy who, because he felt sorry for him, Skins named "host" of one of the television sub-forums on Skins's island, with the hopes he'd gain some social confidence.
Once named, he got so frightened he ran away from Skins's island and didn't come back for a few months, until after others had forgotten he was a host.
"Aptitude," my ass. He's got the aptitude of a parasite, nothing more than that.