The guys testifying were paytriots. They had the info, but refused to turn it over, citing their other pending actions. They're essentially bounty hunters, seeking rewards offered that lead to the conviction of 501C3 officers that break the law. They didn't want to jeopardize their payday with a doc dump. I would imagine Meadows found this unsettling, considering they even plead the 5th.
I agree - I'm all for it.
Just explaining why Meadows would get frustrated. It was his last opportunity as chair, and I'm sure he wanted fireworks. Docs are in the right hands anyway.