Hyundai subsidiary used child labor at Alabama factory
reuters.com
reuters.com
"Tzi, the father [...] told Reuters he regrets that his children had gone to work. The family needed any income it could get at the time, he added, but is now trying to move on."
The father knew.
"After the disappearance generated local news coverage, SMART dismissed a number of underage workers"
Hyundai (SMART) knew.
12 year olds.
Of course there are some restrictions (2-4 hours per day maximum on school days, some restricted industries, restrictions on how late/early, etc.). I and several of my friends all had jobs at local fast food shops and such by the time we were ~13.
It should go without saying that I don't think it's a good thing that children are forced to or feel obligated to work while so young, and this specific case would violate those Canadian laws anyways (as the children were working in lieu of school).
However children working on farms loop hole is rife with abuse: https://www.hrw.org/news/2018/12/04/more-us-child-workers-di...
The reasons why we have prohibitions on child labor in general is exactly the problem noted in the OP. Desperate parents will essentially put their kids at risk (even sell them) and unscrupulous employers will abuse children.
If only.
But, at least in mine and my friends cases, we were working for fast food chains rather than family-owned businesses or farms.