I wish I was in this fortunate position of having a chauffeur or driver to take me to Fife to get a job. When I tried for a job in Fife in 1997, I was distinctly unsuccessful, and came back to a job in London, but that is slightly beside the point.
The overall point is that income at whatever levels has a determinant effect on the employment people seek and the work they are willing to do. That applies to benefits— paying benefits at too high a level can create a benefit trap that makes it not worthwhile for people to apply for jobs—and it applies very clearly to high tax rates when people decide not to earn.