"So no humans would need to go down there, if something breaks they could just replace the broken segment(s) and fix the broken one(s) on the surface." This fr

"So no humans would need to go down there, if something breaks they could just replace the broken segment(s) and fix the broken one(s) on the surface." This frankly is not possible. Colliders need constant maintenance. The "Collider in the Sea" is not a real proposal.