Since if a rational actor would understand that the group can avoid ever dying to this game by simply choosing blue. There is no consequence for choosing blue - but there is a consequence for choosing red.
Also, regardless of these specific consequences, people who are rational/ethical will by default choose blue because it is a good color.
Also, regardless of these specific consequences, people who are rational/ethical will by default choose blue because it is a good color.
See also, people by default choose blue at 5x the rate as red, really putting a dent in "red==rational" conjecture: https://www.joehallock.com/edu/COM498/media/graphs/fav-color...
I hope this makes sense!