You're a (fat) plonker...
"I have been discriminated against - I am a YMCA qualified fitness instructor, but I have gone for jobs and been laughed off the premises,"
Just like I, as a web developer, would be laughed out of pitches if I sent potential customers a Front Page Express page as my portfolio...
I have no problem with half the population being fat and unhealthy - it'll make it easier for the rest of us to hunt and eat them when the world descends into a post-apocolyptic Mad Max-style place after the swine-flu/credit crunch/meteor/Windows 7 armageddon hits.