I'd say it might have. I used to watch nearly all the anime released each season, aside from the stuff that are obviously aimed at children/girls/perverts, which were the minority.
This season I'll probably only be watching 6-7 out of the 30+ new anime, while in winter 2015 I watched 18 out of 28 (20 out of 30 in winter 2014).
So, either they're getting worse, or I'm getting more picky. I'd vote for the former.