You could discuss the viability of how and if the app would work in a real setting. But maybe the app already set out to do what it was meant to do - to raise a

You could discuss the viability of how and if the app would work in a real setting. But maybe the app already set out to do what it was meant to do - to raise awareness about pregnant commuters (check - they got covered by the BBC), or (cynical, but more realistic) - the innovation agency got to show off how innovative they are and can use some nice "featured by the BBC" in their marketing communication.