I legit think he's too scared to. If he had dirt that would protect the beating Jon gives him to the press you'd think he would.

That!
And that guy was 30 years in the band, so whatever dirty laundry he would wash in public, he was an integral part of that band for a long long time, so it wouldn't work without burden himself, too, or at least appearing like a hypocrite after those 30 years of benefiting from the band.