See I don't think she necessarily found it fun (at least not in all cases, I mean to say, Gargan?), just... tactically convenient.

Also, because using exactly the same approach with everyone on the team seems short sighted. It would highlight her intelligence and skills if she had found OTHER weakpoints, like discovering that, say, Sentry had a thing for old comicbooks, or Daken has a petit-point collection to die for.