I agree with much of what you say, but Your Line above -Now, here we are in 2018, almost fifty years later, and every Tom, Dick and Harry, weighed down with a baby boomer inheritance and a final salary pension, can afford to spend thirty grand on a box of seven inch goodies, and call himself a DJ at any one of a gazillion events which are on every night of the week. It's not the same as it was. Completely different set of circumstances entirely...But this...
Also applies to every Tom, Dick and Harry spending peanuts on (boot) seven inch goodies, etc etc. and then the music becomes proliferated (to my mind in an undesirable way) by wannabe DJ's. NB. i'm not and never have been a DJ myself.