Disclaimer: I'm not defending myself, I don't DJ professionally, I do have a bunch of DJ friends, I'm an engineer and I probably understand the underlying technology better than most "DJ's".
I try not to get dragged into these debates, but I'll wtf, this should be fun. I'm going to try and focus on the meta arguments since getting dragged down into the specific details is mind numbingly boring. Technology will march on, improving your own understanding is what is going to keep you dominant in your field, not trying to shame people into staying stagnant.
Go read Kurt Vonnegut's Player Piano: Technology marches on. It won't stop, and part of the forward march of technology is that it sometimes makes whole professions and whole areas of research obsolete. Thousands of assembly line workers have lost their job to robots that largely build cars on their own. No programmer starts a project in FORTRAN because higher level languages like Ruby and Python have been created. Kodak, once the largest supplier of film is