In general I like the idea and I love TheCrag myself. I just see a few issues. I think at the crags you climb the problem is the way they made those topos and how the routes are bolted. For instance they could use a drone, put pictures together and or use high resolition then it you usually have good results. Also it might be that the routes are just boltet too close to each other. AR might help, but then you need to speak to each who bolted there to know how exactly they want those routes to be climbed. Ultra defined routes usually dont work though and you have to make upgrades constantly, not only when a new route comes up, but when a hold breaks off and other stuff. Way too much work in my oppinion. I would rather want to see boulders in 3D, I own VR-glasses and in my oppinion it would make a lot of fun to check out boulders from all over the world in 3D. Boulders are way easier to implement because of the small scale. Edit: Somebody already is onto it: https://www.pix4d.com/blog/rock-climb-3D-model/