There is a big difference between slave/forced labor and paying for cheap labor.
Majority of your examples state something along the lines of "paying inmates peanuts to make expensive things"... which literally is not the definition of slave labor.
The article is about literal Chinese Slave Labor camps. There is no comparison with any of the things in your list.
Most people would also agree, providing a purpose - jobs, training and skills to inmates is a net win for everyone involved, and is a core component in rehabilitation - directly combating rescindance.
Majority of your examples state something along the lines of "paying inmates peanuts to make expensive things"... which literally is not the definition of slave labor.
The article is about literal Chinese Slave Labor camps. There is no comparison with any of the things in your list.
Most people would also agree, providing a purpose - jobs, training and skills to inmates is a net win for everyone involved, and is a core component in rehabilitation - directly combating rescindance.