No-one can be forced into the sex trade by the Job Center.
Yet
.
On a serious note, it's quite possible people could be offered work here as barristas, cleaners, till operators |(all non sex jobs) and have their ESA docked or stopped if they refuse.
On another serious note, I will be a pound to a penny this guys business model will involve him taking a cut, but then throwing his hands up if there are any responsibilities to be had (see "Uber"). Which seems to the a "thing" in the 2010s ....