Crap science, right direction
Technically, the study is near-worthless. But ii is obvious enough that we don't want to wait for a disaster before acting and the measures being introduced are sensible enough.
Ask a scientist what it will take to establish the risks to say five sigmas of probability and they will say something like "twenty years and a lot of money". We can't wait for the good science, we just have to use our common sense and apply political gilding to whatever turd that bad science has ejected to date.