What is financially viable independent of politics? What doesn't have subsidies? Did the petroleum industry pay for the millions that were lead poisoned? Do they pay for the environmental damage caused by climate change? Those are also subsidies.
Citation needed. “Millions a year” is undoubtedly using some flimsy justification for the figure.
https://hsph.harvard.edu/climate-health-c-change/news/fossil...
https://pubmed.ncbi.nlm.nih.gov/38030155/
https://www.theguardian.com/environment/2023/nov/29/air-poll...
https://www.pnas.org/doi/10.1073/pnas.1819989116
https://www.bmj.com/content/383/bmj-2023-077784
there is tons of data to support this, and it's a widely accepted reality