An application should not take away the decision a user has previously selected. That is the main point of the argument. All other details are insignificant. The debate that split frontend Twitter Lea Verou brought back to everyone's memory the battle from long ago about two-state vs three-state dark mode toggles in August 2026, this time Josh Collinsworth was a major advocate for her approach. Verou, in her Modern Web Advice, advocated for the simple two-state Light/Dark toggle....