Imagine you are made one of the politicians in the waffling party. Say you find the politician whose stated preferences most closely match your own. They step down. You take their place. What will you do now to ensure the wafflers stop waffling?
The problem isn't that they choose to waffle, but that their power is on a knife edge when they have any power at all and they disagree about what to do.
I'd claim one party is accelerating the fire, while the other is secretly stacking firewood next to the fire while also complaining that the other is using it.
That said, human ingenuity and economic forces are starting to stem the global warming tide, despite what governments are doing.
The problem isn't that they choose to waffle, but that their power is on a knife edge when they have any power at all and they disagree about what to do.