For his cultural goals he wasn't wrong. His aim wasn't to just give more people access to classical music with whatever means (a la "worse is better"), but to give more people the appreciation of classical music that refined educated listeners had. To treat them as capable for that, as opposed to needing "dumbing down". Part of that was maintaining the primacy of music over unrelated attached things, like the televis…
I think the problem is that they didn’t produce enough culture. So, they had to stretch each bit out by pretending the process of sitting around and trying to figure out how to enjoy it was in and of itself enjoyable.