@Paul Jeffrey
I am disappointed with you and this topic. You must be bored.
To be honest I am fed up with certain motorcycle forums, newspapers and some TV commentators asking the same question. We get it every year.
More people die on Mt Everest every year, would the do gooders and PC brigade want to ban mountain climbing too?
They all know the risks, as do the spectators. They wouldn't do it if there was no risk.
3 racers died this year. They died doing something they wanted to do. They didn't die of cancer, old age, liver disease or heart attack. They died knowing the risk and doing something they loved. Non racers and non road racing bikers could never understand.
There will always be the silly do-gooders in society who are against it. They are the ones who don't really understand these things. Normally the type of people who don't accept any risks in life, have never risked anything in life and probably have only looked after themselves. They should mind their own business and carry on mowing the lawn or doing the dishes.