Just my 2 eurocents on the questions as I am passing by...
'The New Testament is a Catholic work, built upon Catholic criteria, and Catholic claims of inspiration long after the Watchtower considered the Catholic Church to be completely apostate.'
Imo it means "long after the Catholic church was supposed to have turned completely apostate by the Watchtower standards".
And the Gospel of Thomas isn't part of the Catholic Bible either. The canonical differences are only in the OT (with the Deuterocanonical writings, Maccabees etc., finally validated in the council of Trent)
Back to the popcorn.