To an extent that was always going to happen as the field expanded, if you look at any established field (medicine, law, engineering) you have people who are in

To an extent that was always going to happen as the field expanded, if you look at any established field (medicine, law, engineering) you have people who are insanely passionate about the field for the field and people who realised it would provide a good standard of living. I don't think this is a bad thing necessarily, the overall expansion of numbers has also radically increased the number of people doing interesting things as well, you just have to find them and they are everywhere, there are still programmers doing things for the passion of doing them.