@claudiom@fikran@stsp Yes, it is a matter of aptitude. I see it all (work at a university) and I can tell you some very smart people don't do computers well at all. It's all about experience and personal interest.
@claudiom@fikran@stsp It's quite funny to walk into a professor's offfice, see a blackboard brimming with horrendous looking equations and him ask why his plug'n'play printer won't 'plug'n'play' (because he didn't have a dongle)...
@claudiom@fikran@stsp Someone once asked me to look at their R Code and why their regression wasn't working and I had to remind them they had forgotten what I know about both mathematics and R.