"Here we show that more realistic modelling scenarios do not produce a substantial near-term increase in either the magnitude or the rate of warming, and in fact can lead to a decrease in warming rates within two decades of the start of the fossil-fuel phase-out."
The HN title is editorialized to the point of stating nearly the opposite of the paper's conclusions.
It has a ring of "what could possibly go wrong?" about it. Doesn't mean it wouldn't work though.