"How did interest turn into aptitude?" Sorry, poor choice of words. I mean 'A quality which increases the likelihood of being employed as a programmer'- this i

"How did interest turn into aptitude?" Sorry, poor choice of words. I mean 'A quality which increases the likelihood of being employed as a programmer'- this is just not interest, though. But yeah, not a deeply insightful comment, given I tried to play with back of the envelope statistics and ended up with a low quality scheme myself.