Other people have rights like freedom of association. If you’re hell-bent on violating that, consider the second-order effects. What is the net social negative when non-criminals freely avoid working in industries in which criminals tend to be qualified to work?
What do you mean by that?
Assuming you're asking in good faith, the parent could be referring to the 'market for lemons' in employment, where in lieu of being able to easily determine worker quality, employers start using second- or third-order- proxies for questions about, say, a candidate's likelihood of having a criminal record.
Or, you might just be doing the meme: https://x.com/MillennialWoes/status/1893134391322308918?s=20