I agree there's always been fodder for the braindead shonen audience, but I feel like, by the same criteria an audience might evaluate a '10 show, the quality is arguably less, just due to studios' reliance on cg and dramatically dwindling budgets. Not a perfect example, but look at the original FLCL versus the new one, although I don't know if there's a difference in which studios produced which seasons.
I wouldn't say the affect of anime has gone down, though. It just speaks to shifting values in what the audience is receptive to, along with shifting methods to make things more economic. You can still approach art creatively even if the methods are different, and you can approach it lazily and sell it to retards on Crunchyroll.