I do not think that locals are THE problem, but a PART of the problem. Even with that, it is the locals that abuse the superchargers, not just use them, something the idle fee is supposed to change (and through anecdotal reports, did at times). If the superchargers are crowded because of insufficient build-out, seeing just one local abusing them makes a difficult problem much worse, and generates an incredible amount of emotions. It is the same as a bunch of people in the express check-out line at the market, only to have someone sneak in with way too many groceries (and the store not having the balls to ask them to move to another line). People are already frustrated with the wait. Having to deal with an inconsiderate person on top of it gets blood boiling.