Twenty-three years ago, Peter Jenkinson pinned up a notice in the Aer Lingus crew room in Dublin Airport. As a pilot with the then state-owned airline, Jenkinson was frustrated at how hard he was finding it to get income protection insurance and he wanted to see if any of his colleagues would join him in seeking a better deal. Pilots were seen by the insurance industry as a bad risk because they could lose their jobs if they ever failed a compulsory medical test. “I felt that we were being discriminated against on the basis of our occupation,” Jenkinson said.…