Whenever I tell sighted people about this class, they're surprised. If they can get through this, it gives them a lot of confidence to try other things. This is probably the most complicated set of mobility problems you can give anybody, blind or sighted. I mean, in an urban environment everything is normally square or rectangular. When you're climbing a rock wall, a cane isn't of much use.
Every challenge provides an opportunity for growth.
Yes, there is risk involved. But ultimately, it is also rewarding. Something like this gives you a sense of perspective.