Non Tesla's are not set up for Supercharging

I pulled up at a super charger today, and it was nearly full. 2 stalls were free and they were both next to non Tesla vehicles, one e-Mustang and one BMW. The frustrating thing was that I could not use either of the available stalls as the non Tesla's were using the wrong side, so that they could connect to a different charge port location. It was very frustrating and I just left without charging as I did not want to wait. Some stalls should be installed with longer cables for other vehicles.