Total horseshit.
You're assuming that those in low paid jobs are unskilled and unqualified when this is far from the case.
The BBC did an interesting survey last year on what the new supposed classes are. In this they came up with alternatives beyond working, middle and upper class, with...
I'm not ashamed to admit that until relatively recently I was on a wage too low to live comfortably off. It was considerably higher than minimum wage but it wasn't enough to pay for food and bills. I have no dependents, live in a tiny rented flat and am able to work full time unhindered.
I was...