I switch according to the interface of the applications, I use Discord and my phone in dark mode directly, but I prefer to use most of the lens apps in light mode
Your post made me wonder if this is a gender thing - maybe women tend to prefer light mode, and men dark. Did some cursory research and according to one study, 80% of people tend to prefer dark mode (admittedly small sample size medium.com/dev-channel/let-there-be-darkness-maybe-9facd9c3023d))
But I use both and am not too fussed either way, it depends on what I’m doing.