ah but some people have an eating disorder, or other such illness, cant just assume they are fat by choice. The ginger thing was funny, the guy, no doubt gives out banter to others too. You cant mix hair colour with being racist, 2 totally seperate things, for example...
people go to wars over race, you have never heard people saying "right, thats it, your hair is a shade of brown too light im going to bomb your country" !