There was a legitimate reason to do so after the destruction of the second temple - in fact two legitimate reasons:
To survive it was necessary to expunge works that would give the heretics (Christians) justification.
To survive it was necessary to expunge works that would give the heretics (Christians) justification.
Maccabees and other books are uninspired because they contradict Scripture with false teaching.
As to your claim, which is a separate historical issue that assumes much... why dont you just cut to the chase, post whatever evidence you believe is valid concerning your claim, and we will evaluate it.
I seriously doubt there was any concern of surviving, since God has a covenant with Israel He will keep.