I've noticed first hand the impact of environmental factors.
I moved from a place where I needed the car for EVERYTHING. This include taking off the garbage. Even going for a walk wasn't possible without taking the car first.
Most of the food I was eating was imported (mainly from the US). I was able to find few local fruits and vegetable but choices are quite limited and the supply erratic.
Then I moved back to France, I now live in a small village where everything is available at a walking or biking distance. School, work, small grocery shop, bakery, doctor, pharmacy, coworking space, kids activity. I'm might be using the car once a week now.
There is plenty of farmers in the area with local produces and even supermarkets have a wide selection of decent fruits and vegetables but I prefer the local producers as I can.
I stopped working out, I have not purposely changed my eating habits but without any surprise I am in a much, much better physical shape now.


It's the second line of the license file. So the license does not automatically grant commercial right but they are addressing straight away that they are open to the idea.
I don't know in practice how easy it would be to get the right from Valve to commercialize a product derivated from these files.