Because it should open instantly. The fact that it take 5 seconds implies a level of bloat that is unacceptable in well designed software. Also 5 seconds is en

Because it should open instantly. The fact that it take 5 seconds implies a level of bloat that is unacceptable in well designed software. Also 5 seconds is enough for my attention to maybe wander. Not every time but often enough to waste minutes of productivity per day. It all adds up. Amazon found that each extra millisecond delay causes customers to navigate away from the page. It isn't laziness just human nature.