Blinkinlights Are a Curse

Reaction I: Blinkenlights are often SEO optimization for meatspace. Which many buyers, eager to show off their shiny new $Thingie, actually favor...at first.

Reaction II: Once $Thingie is sold, $Manufacturer's relationship with its blinkinlights is mostly via tech support - and "what colors are the lights?" is a question that even Forrest Gump-User can (usually) answer correctly.