I might be mistaken, but it seems like "technical intelligence" is another way of saying "high tolerance for poor UI," i.e. a person with very low T.I. needs so

I might be mistaken, but it seems like "technical intelligence" is another way of saying "high tolerance for poor UI," i.e. a person with very low T.I. needs something really well designed, and a person with high T.I. can still be effective despite poor design.