I would hope big oil learned something from the Tobacco Industry.
Tobacco attempt to settle and it ended up costing them millions (if not billions).
Big oil has money, they should use it to go after these politicians. Do opposition research and find the skeletons and expose them. Also run ads against them. Support any candidate running against them.
Show them there will be a cost to going down this road.
Last, begin an educational campaign showing climate change is the norm for our planet, man (and by extension, oil) has nothing to do with it.
How about monitoring the plaintiffs’ use of automobiles? Argue simply that they are complicit in the problem... if indeed there’s actually a problem in the first place.
Reduce the volume and capacity of the delivery system serving California.
Give the Golden State a lesson in supply and demand.