Agreed, but as a user sometimes I turn it off because an article doesn’t work well with it. So the default should be user’s global preference but I want local control
So you would like a website to implement a checkbox to toggle dark mode, in case it doesn't implement dark mode correctly?
That doesn't make any sense.
I think he would rather have a checkbox to disable dark mode in case a specific website. So he don't have to switch his system-wide preference in order to browse a single badly designed website.
Exactly
Sounds like something that would be better solved by a browser extension than having every website with a dark mode also implement a toggle.