"I wonder how often this stool will fall over with the off-center weight of a bag or a heavy coat. Perhaps the mass of metal in the base can handle it but adding a load outside the footprint of the legs without a person seated seems risky. I imagine someone standing up and having the stool tip out as soon as they leave the seat."

"I appreciate that someone has built a company around a concept that was pitched in an XKCD comic. They played Rock Em Sock Em Robots under the bed instead."