I had a GFC. This solves a ton of issues that the GFC had. Number one is the ability to winter camp. I camped plenty of times in the snow and ice with my GFC. It’s miserable. The locks freeze up. The tent won’t close and lock down. It’s a tent, which is not the least bit insulated. Etc.
Have you considered use of electro-mech linear actuators as improvement to the lifting/raising employment of the top and sides? Minor cost but huge benefit to alleviate physical/manual aspects, especially for physically limited users….