It's the spread between workers(labor) and owners(capital). Millionaires working for Billionaires could be under paid, the same as 100k-aires are underpaid by 100M-aires.
Overpaid, or extremely wealthy by the global society - but under paid in their "local group" (for lack of better term)
Edit: like when VC say they take the risk - bullshit. They just risk money - labor (athletes, entrepreneur) risk time and health. Those are not renewable - but money is.
You define underpaid as being lowly paid compared to their local group but also claim that the group in aggregate is underpaid. Makes no sense.
I think your parent commenter was asking for a citation showing that NFL franchises rake in net profits for owners and another citation showing athletes wages are being held down artificially.
Overpaid, or extremely wealthy by the global society - but under paid in their "local group" (for lack of better term)
Edit: like when VC say they take the risk - bullshit. They just risk money - labor (athletes, entrepreneur) risk time and health. Those are not renewable - but money is.