I remember when they wanted to keep it within 1°C. Now it's 1.5°C. In a few years, people will all be surprise Pikachu'd that nobody has done anything, and the goalpost will move to 2°C.
The difference between will and could here is intention and cynicism somewhat acts as climate doomerism, the child of climate action denial. Cynicism is giving control to Shell and Aramco.
We haven't reached 1.5 degrees on the ten year average, so there's no need to act. When we get there, there will be no point in acting because it'll be too late. How could we possibly have seen this coming - it's not like scientists have been screaming it at us for the last half century...
Can't change it through advocacy or direct action, can't hold those responsible to account, but can't roll over and die - Guess I'll bitch about it online as I struggle to afford a house in the economy fucked by the same class interests that doomed the species.