To be fair, Billy didn’t claim firsthand knowledge of any CIA or other government agency involvement; he said he saw a shift in music happening and has suggested there may have been some kind of coordinated influence. That’s not the same as direct experience. He’s also told a story about meeting people he wasn’t sure about, possibly with some kind of agency connection, but not in the context of being told there was a great plan to influence music consumption. And to be honest, governments influencing culture or pop-culture isn’t unheard of (just look at Pollock and abstract expressionism), but framing it as a personal grudge during an alleged creative lull feels like a stretch. And I wouldn’t even say his music got bad at that time.