Yup! Welcome to world of speaking with manufacturer’s “Technical Advisors”. Yeah, they are usually SOOOOOO full of wisdom!

If you have had success in other DIY, custom work, I’m sure you’ll success with this. It’s not a big deal. You’ll essentially be making the front screw hole bigger & bringing the center of the hole a bit rearward, (that .13”), then using epoxy to hold an Aluminum pillar anchored in. Easy, peezy, Japanesy!