Have you ever had parents? I realize it's outside the Overton window to do anything about it, but age-based slavery[0] is ubiquitous and the legal default in essentially (I think literally) every country on Earth. It's an even more pervasive affliction than copyright, so I find your ignorance implausible.
0: in the ownership sense; actually using them for forced labor is less common
Please try to address the argument I actually made.
Also, you were responding to:
> a teenager mowing the lawn for their parents
which was about their (owner's) own lawn.
>>>> What's the difference between a teenager mowing the lawn for their parents and someone paid to mow a lawn?
In response to which, I said:
>>> The kid getting paid to mow neighborhood lawns has:
Selective quoting tends to change the context a bit, don't you think?
1. The right to say "no" without repercussions beyond "not getting paid".
2. Significant statutory protections regarding exploitative treatment.
EDIT: There's also a large body of statute defining what is and isn't okay in the family farm situation.