Given how many different technologies/languages/frameworks an average developer has to learn over his career isn‘t a solid background in the fundamentals worth

Given how many different technologies/languages/frameworks an average developer has to learn over his career isn‘t a solid background in the fundamentals worth more than 3 years intense focus on one such set? That‘s not to say that going through uni without having heard of git is the sign of a good program, I don‘t consider my program to be all that great but at least I had to go through two labs that required us to build software from scratch using git or svn.