The rest of the article you linked to makes some decent arguments. Why did you quote the one [censored] stupid part?

Obviously, progressives aren't complaining that walmart employees are receiving Medicaid benefits. They're concerned that people who work full time jobs are still poor enough to qualify. Medicaid eligibility is a marker for poverty. They could just as easily point out that 10% of walmart's workers don't even work their way above the poverty line.