Note that this was about a diseases a little more serious than a little cough. Mostly tuberculosis, also helping with insomnia from the same.
More on that: https://medicine.yale.edu/news/yale-medicine-magazine/article/from-cough-medicine-to-deadly-addiction-a-century/ https://pubmed.ncbi.nlm.nih.gov/11862675/
And I assume the energy companies will be footing the bill from construction till deconstruction and long term storage, the later two as a trustee deposit, on their own without any state subsidies. Given that all the pro-nuclear folk always tout so many benefits to nuclear, this should be a non-issue and be very profitable.