I've done a number of jobs in my life from cleaner and carer to relatively high flying executive and I can tell you that the 'lower paid' jobs are the ones in which I worked hardest. Currently, having returned from being a SAHM I'm doing an office job being paid about half what my DH (with no career gap) earns and I work far, far harder than he does. For a lot less money.
I think that 'personal responsibility' could extend to employers paying proper wages. Pay rises have been artificially suppressed so the rich 1% can get richer for years. Wages have been falling in real terms since 2010, quite precipitously.
For an example, nurses are essential, they have had below inflation pay rises for years and there are 40k vacancies. It's supposed to be the case in a free market that if there's vacancies, then you pay more, but instead of doing this the government has cut and cut until the reality is that there aren't enough nurses. Nurses on their income alone can't afford to live a reasonable life (.e.g where I live you can't rent a single bed flat within a reasonable commute of the hospital on a Nurse average salary), and we're relying on imported nurses and the very young for the NHS to stagger on with even the semblance of providing care.
Problem is, with the crisis looming, those Nurses from abroad will all be going home. We've seen with fruit pickers work in the UK is becoming less and less attractive as our currency falls against theirs. It's only worked up to now because people could work here for a few years (or for part of the year) and earn what was - in their local currency - a lot of money. But if their wages won't even cover the most basic living costs in a shared house here, they won't come.
It's about time people were paid properly. This has started to happen a bit with the lorry drivers, but wages need to rise a lot and the government (all parties I believe, not just the Tories) have ignored this reality because they're the 1% that benefit from things as they are.
It's a joke that so many MPs have second jobs, board positions etc - it suggests a lot of them don't do their MP job properly. People working jobs like paramedics, nurses couldn't do second jobs even if they wanted to, they just don't have the physical capacity and time.