the only principle being pushed here is A MINIMUM LIVING WAGE
this seems to be a very difficult concept for the US economy to accept ..
Coercion has nothing to do with this - or if it does, then it can equally apply to the unskilled employee, who without access to an infinite number of job choices, is then "coerced" (your word not mine) into Hobson's choice of ridiculously low-paid work. Or, part time work, where the employer doesn't need to provide health cover, so working single parents for instance are being "coerced" 2 or even 3 part time jobs to make up the shortfall.
No doubt you will have some interesting reply, characterized by high angular momentum ...