I think they saw him as an older “Jonas brother” type at frist. But now they’re not sure.
I still they they’ll “save” him (or Fantazer Jr) when he gets voted off.
I think retrokitten had it right when she pointed out that Adam's dark persona plays into the current Twilight craze among tweens and younger teens. I'll bet the AI PTB hope to tap into that craze before it gives way to the next fad.