What makes that a not-analogous example is that there is an active campaign to destroy oil companies, most likely as a means to nationalize them as there is no situation in the next 100 years where oil goes away, and also that this is California where nothing is real.
California sues 5 major oil co's for campaign of deception about climate change
https://news.ycombinator.com/item?id=37540420
And it's hardly the first time that it came to light industry insiders knew X caused harm and suppressed it for decades.