I think there is value in communities like this, as long as their motivation isn't purely surface level ecology improvements. If you can form a carless community which is focused on bringing young families together or coupling young people, and that is the main goal, it is less prone to corruption .
Surprisingly great read with lots of great info. Hopefully none of us will have to use the techniques listed, but a good understanding of tactics is vital to survival.
The amount of wax I used on my board, I never finished my single purchase after like 10 years of riding. I would go with whatever is local to you first, and then ask them what they made it from.
I tend to call places and ask these sorts of questions, so please let us all know if you find out anything.