Sadly, you're right on the money here, nobody will ever spill the beans.
Problem is Willie knows everything (he was the president for fuck's sake) and is just lawyer-speaking his way out of admitting that he along with multiple former presidents (including the current one) were/are compromised by a hostile nuclear-armed foreign actor's (read: "ally's") intelligence agency. He can't sing, or the whole charade comes apart.
The contagion fallout is massive. This involves several of the wealthiest people on the planet, tech leaders, business leaders, politicians in powerful countries...and involves several major geopolitical actors...and involves some unspeakably disgusting actions to children.