https://walkkumano.com/koyabound/
I thought this was so compelling that I ended up walking the trail myself. Incredible experience.
Just sell the iPhone for $30 more, and give people the option to not buy a charger with their phone for a $30 discount. Adds up to the same thing, but instead of paying extra for the charger, you get a discount if you don't take it in the name of "saving the environment".
We are talking about the people who clean up the nastiest human waste that our bodies are capable of producing. I was already surprised that this number was ever less than 100% tbh
She left the profession due to the long hours, low pay, and poor treatment.
(there are other reasons too of course, sometimes not really good ones)