Is California hoisting itself with its own petard by filing climate change lawsuits against Big Oil?

Guest petard hoisting by David Middleton Hamlet: There’s letters seal’d, and my two schoolfellows, Whom I will trust as I will adders fang’d— They bear the mandate, they must sweep my way And marshal me to knavery. Let it work; For ’tis the sport to have the enginer Hoist with his own petard, an’t shall…