This Chinese Site as a somewhat more factual report on this
https://www.gizchina.com/2020/05/14/oneplus-8-pro-camera-is-able-to-see-through-clothes-and-some-plastics/
https://www.gizchina.com/2020/05/14/oneplus-8-pro-camera-is-able-to-see-through-clothes-and-some-plastics/