Who is replying to you because I’d love to see what they said. I’m looking to make my rails longer and i need to extend my wires.
Most likely he was communicating with PhilJohnson who left the forums a couple of years back. When he did he requested his post were purged - rendering many threads with holes as you noticed 
Wire extension is easy, just get some shielded 4-lead 20AWG wire and go to town