So it's because everyone does it that it's "ok", then?
Or because you think it's better than "rotting in a cell"?
Whatever man. The issue is that the labour is _forced_. Give prisoners a choice to work or not and pay them, at market value, for their work.
If you're against choice and pay for prisoners you really shouldn't be embarrassed to just go ahead and call it what it is: slavery.
The allegation that the Xinjiang prisoners are actually innocent people being ethnically/religiously cleansed and forced into slavery has extremely little basis in reality, relying completely on claims from a tiny, unaccountable clique of Washington DC based ideologues (Zenz, et al) and ETIM lobbyists (WUC, et al).
However, the article deceptively uses the banal truth of the first allegation as a vehicle to imply that truth of the second, far more extreme allegation. These are classic disinformation methods employed to achieve political agendas.