IIRC, the Mandarin for “four” sounds similar to “death”, so it is considered unlucky/inauspicious. I think OP was subtly suggesting that the CCP would rather do something to avoid the consequences of climate change than not. Those consequences including social upheaval, resulting in an unhappy populace, resulting in their possible removal from power.

Maybe somewhere in all this stuffing about with Keep they can add the ability to sort lists.