2Ki 17:19 Yehudah, also, did not guard the commands of יהוה their Elohim, but walked in the laws of Yisra’el which they made.
Deu 30:12 “It is not in the heavens, to say, ‘Who shall ascend into the heavens for us, and bring it to us, and cause us to hear it, so that we do it?’
The Talmud states that since Torah is no longer in heaven, that God has given Judah all authority to determine all halakhah concerning Torah. This is what was happening before Judah was taken into captivity into Babylon. Assuming to have authority where God gave us no authority causes us to removed from the presence of God.
My Mishna is now ashes is the ground, returned to dust where it will remain dust forever more as God told us to do with such man made things.
Torah implies both the 5 Books of Moses and the most recent ruling of your local orthodox community rabbi on whether your chicken soup is kosher if a drop of milk fell in it.