In the past, however, it has always been claimed that the method has
a significant nonzero validation skill.
Not exact matches
I did however say that any
nonzero value would be scientifically
significant, which I suggest is more interesting than the blog debate that you are trying to start.
But accepting a
nonzero warming effect puts one on a slippery slope: Once acknowledged, the effect must be quantified, and every legitimate method for doing so yields a
significant magnitude.