It sounds to me like that as "green" as BC vehicle owners may seem like, their public charging ettiquette is severely lacking. That is unfortunate, but I am not the least bit surprised given how discourteous our drivers are on the road.
There are 2 "free" chargers at work here, and from what I've been told by my colleagues, user ettiquette are generally decent, although there will always be some discourteous person breaking the rules.