That's fallacious reasoning.

Just because climate engineering is the only way to stabilize temperatures doesn't actually mean it can be done. That's all hypothetical tech, just like carbon capture and other fairy tales we tell ourselves to cope with the reality of the end of the fucking world.

I'll tell you what will happen. We won't do anything to stop or slow climate change and we'll reach a tipping point, after which society will rapidly collapse into warring factions and any hope of stabilizing the climate will be gone until we have a nuclear winter reset.