First, stats that were passed around on social media last month indicate most people don’t use these settings (we’re talking less than 1%. I find this number hard to believe, but let’s pretend it’s accurate for the sake of this conversation). Second, if they have made a choice on this, they’re likely to have made it at the operating system level, and web developers have access to this choice via media queries should they need them. So the user already picked if they want light or dark. What makes us think our sites are so special that the reader might...