Public L2 should merely be seen as a convenience, which is precisely how the OP used it.
Conveniencing ourselves, regardless of the effect on others, is not something I see as a virtue to be propagated. So we will agree to disagree on that point -- since it really is the crux of the argument regarding the proper use of public chargers.
I dont need to use logic, just decency and kindness.
That's the highest form of logic, at least in my view.