While I do agree, removing inserts out of carbon arrows can cause damage. They can be removed but, inspect and reinspect in if you try this. I take a piece of carbide with chamfered ends, about 3" long, about .025 smaller than the I.D. of the shaft. Insert it at the nock end, make sure you have a safe place to do this, whip the shaft in a downward motion to make the carbide hit the back of the insert. Should pop right out. I do it in a box with a towel on the bottom.

Cut, your arrows down and reinsert.