it might also come down to the fact that its not so much that the old DJ's have lost their touch, but probably the fact that theres NEW young blood that also want to break into the international scene like the DJ's they used to look up to and make the most solid tracks ever because they have a true passion for it. As a result, it may seem like a lot of young bloods are making better tracks probably because they desperately want to get known and signed.

Sadly, in many cases its when they do succeed and break out into the market and reach a certain level of stardom that they begin to wane off a bit partly due to the idea that theyve now made it and dont need to try as hard, or maybe because their hefty DJ'ing schedules prohibits them from sitting a week at home and hammering out a future classic. You see it alot in the hiphop production community. 8th Wonder making dope beats before. He blows up and gets big, and now dont make good beats anymore. Not everyone can be as consistent as Dj Premier.

This is my opinion of course, and there are always exceptions to rules. Look at Oliver Ho. I think he is definately an exception.