You forget one thing, the President makes the security policy. As such can revoke, de-certify, change, grant, certify, basically do anything he wants when it comes to security clearances and access to classified material. For example, with a stroke of his crayon he can remove all clearances from every member of the Intel committee...
Now would it be a smart move? The current occupant of the White House has never been known for his smarts...
MAGA, convict Trump.
Life is like a PB&J sandwich. The older you get, the moldery and crustier you get.
Now, get off my grass!