On that second point, I have the opposite preference. When I'm sitting in a dark room I'd rather temporarily have to deal with a buggy dark theme than to tempor

On that second point, I have the opposite preference. When I'm sitting in a dark room I'd rather temporarily have to deal with a buggy dark theme than to temporarily be blinded by a white website. Regardless of whether you prefer to opt-in or opt-out, it's handy to have a keyboard shortcut set for toggling just the current site. You can do that in chrome://extensions/shortcuts