If they insist on praying for her, let them, nobody said Ren has to wait there while they do it.
If there is a god, I doubt he operates it like a supermarket, with ques, waiting in line, with a '10 prayers or less' line and a self-service section which repeatedly breaks down every time it is used, coming up with a message stating 'undetected prayer in the weighing area, please call a service-angel' who, after waiting about half an hour to an hour, if you are lucky, will come and give it a quick whack with a monkey wrench.