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…
Except in the opening question Adorno also dismisses radio music. This is just snobbish idiocy. Clearly the only REAL way to experience music is in your private box at a grand symphony hall dressed in full evening wear.
You are being disingenuous and setting up a false dichotomy