I'm fine with this. Happy even.

There is more than one way to build our charging infrastructure and we don't yet know how it's going to work best. Tesla's require a lot of power, BMW's doesn't. Our electric grid can support different amounts of power in different locations. Our driving behaviors haven't yet dictated what's going to work best. Etc etc.

I think the cost of adapting charges to work with multiple models of car is low and the benefits of experimentation at this early stage is high.