The problem for Cruz is Johnson explained why he flipped 180 degrees, and it made no sense. One Deep state briefing from the same unit that raided Trump and tried to pin Russia on him (while defending Swalwell and Mark Warner, the latter using a Spy App to speak with Russia leaders).
He suddenly has a whole new belief system?
Ted is happy with the GOP Leadership in the Senate and House.
I think you answered your own question. The briefing was them showing Johnson the dirt they had on him.