Yes, and the rate was higher the more practical the content was. So for example explainations about git would have a lot and explainations about automata would have few.
Software engineering programs have come around in the past 5-10 years, but prior to that and probably still to this day at many schools, computer science is pretty much the only program for people entering industry to develop software. So, it's very common for them to teach the programming languages and tools that industry wants people to know.
Yes because amazingly enough, most people go to college to get jobs to support their addictions to food, clothes and shelter and most jobs want software developers and not “computer scientists”.