What is up with all the nasty brits on american telly?

Ok proof is in the pudding as they say, in continuation of my last question evil brits on american telly, im from the UK, but can't help notice that practically every reality show or any show for that matter has a nasty brit in it, it seems you can't make it in america as a uk celeb unless you stinkin nasty--here is ONLY SOME --ANNE ROBINSON scary red hair you ARE the weakest link dalek---SIMON COWEL, thats the worst performnace ive EVER EVER heard SUPERNANNY JO JO, since leaving the UK, shes become a total bully to american children AND parents, on the step, she should be put on the bon fire, AGGIE AND KIM HOW CLEAN IS YOUR HOUSE, 2 nasty old women with a pion for embarring natives, --nanny 911, more old sillys being helpfully nasty--GORDON RAMSAY-- (need i say more) and that nasty posh git off the americas got talent, there are so many the list goes on and on, Seriously respect us brits, we can be nasty, but we can also have nice tendances, but them on the telly