That is incorrect. The Chinese manufactures are on that list because of the POSSIBILITY of backdoors and other nefarious things (which are actually scarier than the backdoors) in the firmware. As far as I know, no actual backdoors have been found to date. If you can prove otherwise, I'd love to see the evidence.
That being said, I am sure that every manufacturer on that list has had some sort of exploit found in their firmware at some point in time.
So has every other manufacturer of CCTV devices regardless of the country of origin. So again, the idea that Reolink cameras are "safer" to use than Dahua cameras because they are not included in the US Government ban list is completely false. As a normal residential user of CCTV products, your "risk" is exactly the same whether you use Dahua or Reolink or Axis or any other brand cameras.
Here is a link to a previous post I made about the ban. It doesn't directly apply to this topic, but certainly helps explain the need for the ban in the first place and why we as "normal residential users" don't really need to worry about it.