It’s an adaptive survival technique.
For the six people out there wondering why we used a dot screen for the last two panels and didn’t just shade the sky a darker shade of blue… We’re not strange modern day pointillists, but slaves to the daily newspaper where comics are still black and white (and dot gray). New fangled color is for the intertubes. Everyone else gets 2-bit color.
I don’t make the rules. I just stare at them until they get bored and go watch Adventure Time.