My understanding is that they are OT books and not recognized as Scripture by the Jews.
Therefore, they would not qualify as Scripture.
Who get s to decide? Well, anyone can add any books they want to the Bible, but that doesn't make them Scripture in the classic sense.
Therefore, they would not qualify as Scripture.
Then your understanding is wrong. At the time of our Lord the Jews accepted the entire Pentateuch. It was only latter that they restricted the Scriptures to those books written in Hebrew. Then again, they also rejected the entire New Testament.
Who get s to decide? Well, anyone can add any books they want to the Bible, but that doesn't make them Scripture in the classic sense.
But who gets to decide what is Scripture in the classic sense? Christianity had a consensus on the Bible for 1500 years until the Protestants remove the Deuterocanonical / Apocryphal books.
You make Joseph Smith cry.
Uh, that should be ‘SPIN in grave’.