Xiaomi WalkingPad A1 and Home Assistant as a toy for treadmill enthusiasts?

It can be bought used for around 250 USD in greater Zurich area. I come back to the Xiaomi WalkingPad A1 and Home Assistant as a device for doing some experiments. https://community.home-assistant.io/t/xiaomi-treadmill-walkingpad-integration/204713/12 «Toy treadmills» for doctors cost around 10 000 USD in the Dr. toys store. There must be a reason for this. Is it …