I don't think any of this, one person's red is another person's blue, is true at all. If that were the case then some people would think green would be a hot color since their red would be blue. If their entire perception of color is shifted then there will be some colors that would be out of reach to see. This is called color blindness. I suffer from this disability. Sorry that I can't convey this properly but I find this info piece rather insulting.
I like the simplistic artwork though.