I'm operating from afar, and speculating using photos, but that
Caribou rack may be a great start to something a lot better. The achilles heel of the factory rack, other than being plastic, is that it it extends rearward far past the mounting points. At the point that you are mounting weight, there is no support from underneath. This puts a lost of stress on the mounting points too, causing splits in multiple locations. Here is RuggedExposure's recent damage photo:
For those of us who are never going to carry a passenger, this Caribou plate be able to bolt directly to the factory mounting points with just some added spacers for clearance over the seat. This would also move the load further forward for better balance. Thoughts?