No he isn't, he is only speaking for those that share the same view, not all the electorate.
What is your point about being on holiday, given that the House was in recess. I'm sure that many MPs took the opportunity to have a short break, but you don't mention them.
You might as well have...
While parliamentary privilege allows a lot of freedom to raise issues without fear of prosecution there are still standards to uphold. Having made his point Skinner could easily rephased his question to get a response from Cameron but instead just acted like a young child. Stil Skinner will be...