CH_ASUSI think most users complaint is in artificial lighting conditions....it either comes out too good and sometimes it doesn't come as expected...i mean it's inconsistent
Camera total dynamic range iself has not changed between Android 9 or 10.
Are you noticiing HDR gets activated less often?
We'll pass your feedback to our camera team and hopefully they can keep improving the quality.
As to whether ZenFone 6 has a poor camera or not - I'll leave it to your own interpretation.