Tats are fine by me. I have two. Short sleeve shirts cover them. No issues ever working professionally or in manual labor.
Ya takes the ink, ya takes yer chances. His tats guaranteed him a life in fast food service. No shame in that. If he’s got an issue with that, he already made his choices. He should take the matter up with himself.
I think their is a significant difference between getting tattoos to display among the people you select, and getting tattooed to the point that they define you.