Seems like the power companies should be responsible for either checking there is no back feeding or provide those things for everyone then. (I'm still not advocating for you back feeding your home)
I have an old android phone running lineage and I host a hotspot if I want it to have data, it's amazing how well Android Auto works without Internet access compared to having data though.
It's 25' in Virginia and that's for hospitals and schools, maybe there's a distance a business could enforce but honestly probably literally outside the doorframe is all they can do most places.
Well the question does assign ownership to the pizza, so Marty can eat his pizza then give it to Luis making it his pizza