I think it's more of an art in the classical sense (which is like a craft), in that we are artisans rather than artists.
The difference being that we primarily create things valued for their utility, rather than their aesthetics. Video games being the possible exception, although even there the programmers are essentially building a vehicle for the art-stuff (story, graphics, gameplay, music) to shine through.
I am learning technology so that I can express my ideas and share them with the rest of the world, and have fun with likeminded people. I also do photography at the pro level, movies, compose music in a world-class home music studio etc. I assume if you want to be great at art, you have to be great at techn(ology/ique). In my case it means I need to write superb pixel shaders, create VSTis producing sound nobody else has produced before and still awesome, stabilizing hyperlapses with my own computer vision algorithm, making robots dance and so on. For that I need to study whatever I find at MIT/Stanford/Harvard/etc even if it is very very difficult. So is this a craft?
The difference being that we primarily create things valued for their utility, rather than their aesthetics. Video games being the possible exception, although even there the programmers are essentially building a vehicle for the art-stuff (story, graphics, gameplay, music) to shine through.