Some MPs give their reasons for entering politics in the accompanying video and it is telling that it provides an insight into individual MP's thoughts on why they are there.
So many MPs give the impression that they wish to regulate, run, legislate or control people. Only one MP says that he entered politics to ensure that there was less politics in people's lives. An example of what is wrong in our democracy is exemplified by Tom Harris who believes that he needed and wished to be in the place which has power. It could be argued the place with power is Brussels?
H/T: Douglas Carswell's blog