It's easy to make binary arguments that are reductio ad absurdum either way.
I think it's also potentially easy to gloss over it and make it into a 'should this never be allowed?' or 'is this always right'? question. Which - in turn - would ignore broader issues and far broader problems.
If this was one of a wealth of docudramas portraying prostitution and x% of them portrayed the gritty, shitty reality - then bonzer. Ya know. If it wasn't a complex and largely murky issue surrounded by glib attitudes and a wealth of real pain - then bonzer. Or if those issues were being equally represented instead of being shuffled under a carpet / shoved off to the red light zone / safe and not-us then ok.
As it is... this feels to me like something that's tapping into a glib and superficial wholly unreal situation. OK - maybe 5% of sex workers
are in Billie Piper's alleged position. And 95% aren't.
But at the same time it isn't either 'this is always right' or 'this is always wrong' - that's the wrong answer following on from the wrong question. I feel deeply uneasy that a very deep-rooted problem is being portrayed in a light that gives people a leeway. That bullshits over massive problems with gloss and Billie Piper and gives leeway to dismiss sex work as either 'that thing Ann Widdecombe did' or 'that thing with Billie Piper'.
I'm deeply uncomfortable with the way in which it - seemingly - trivialises complex issues.
Which is very different to being a precise answer to the precise question you've framed above