Also on Linux GNOME has had a popular dark mode for its default theme (Adwaita) for ages now, and KDE has a bundled dark theme bundled by default (IIRC, haven’t

Also on Linux GNOME has had a popular dark mode for its default theme (Adwaita) for ages now, and KDE has a bundled dark theme bundled by default (IIRC, haven’t used KDE in ages). I think Android has this option too? Basically, it’s not just a “macOS thing”, lots of systems now have dark modes.