It's brilliant she keeps asking pertinent questions around this subject - and yes she is absolutely right about the Greens and the media coverage.
I wonder if she's used a deodour spray- if not first accidental then it could be smelling like place cat needs to go. Though those lemon scented wipes can also put them off going where you don’t want.
Though I don’t get the anti-litter tray thing – there are loads out there one with hoods and even charcoal filters and many different types of litter. If the cat won’t use at all people like Jaxson Galaxy on you tube often have good tips.