We're seeing what impact the shortage of people available for these jobs - social care being a big one, but the whining about reduction in customer service in many areas is due to not enough staff - sure, let's go ahead and encourage more people out of these essential services and make them worse by telling them to upskill and get better jobs and resenting them instead of respecting them.
They don't want people to upskill and earn better money, they want the low income earners providing the services they and everyone else need and want to just shut up and know their place so they don't' need to answer uncomfortable questions.