As far as I know, there is no lawsuit, yet. Not even to the nastygrams yet.

I mean I'm guessing there was a nastygram. It's what the op thinks was a lawsuit.

So, the reviewer is outright lying? (I do not consider this unlikely, just want to confirm that’s the case.)

I'm assuming she got a threatening letter and concluded she was being sued.

As had been established, they don't have the best reading comprehension.