usernamesAreTricky

discharging it for some greedy power company’s benefit.

The benefit is not limited to the power company while we are transitioning away from fossil fuels. The more battery capacity is on the grid, the less fossil fuels need to be kept online when the sun is down. This benefits us all

If you have a variable rate, it also put shifts your usage patterns more favorably for pricing

Speaking broadly: Plenty of other issues or security vulnerabilities can exist that a good sandbox won’t catch. Like software can insecurely store and transmit passwords, have bad randomness for something security sensitive, secretly be mining crypto behind the scenes and burn through battery/electricity, etc.