If red pressers always survive then everyone should pick red. Its incredibly and obviously so and I'm concerned by the fact that so many commenters aren't aware of this.
There's several reasons why someone might make the "wrong" choice, and reaching 50% + 1 on blue is way easier than reaching 100% on red. And sure enough, the polls I've seen have shown blue with a majority every time.
Those who think the population is too stupid to behave in regards to their own self preservation might choose blue in an attempt to 'save everyone' and kill themselves.
Only one singular choice has zero risk of death, and its red. Everyone chooses red and we all survive.
edit: specified who
It's not really about the numbers, though, is it? The red button future is now a mix of game theoreticians, Objectivists, and people who like the color red. The proportion of parasites is up.