I think it is more than that. It is a cautionary tale that existing products, commonly used in residential and commercial applications, may not be sufficient for EV use - although the specs might appear that they are (e.g , voltage, current and frequency ratings match). I was particularly interested in the discussion about stacking beakers. It is common to stack breakers, even high-current ones, in a panel. But, with near 100% duty cycle use of the high-current EV charges, heat dissipation takes on greater importance. Additionally, the point made to mount the equipment on fire-rated walls was not something I would have considered. I guess the point is that EV charging installations are not business as usual. Homeowners need to pay attention and self-educate so that they know what questions to ask of an installer. It sounds like the mistakes being made are being made by professionals, too, not just DIYers.It looked like to me that they've simply gone over some basics when it comes to any electrical install. I understand that EVs carry a much greater and Constant draw of amperage, but the basics remain the same: make sure connections are tight.