"I am claiming that for whatever reasons he is here dressing up, in the trappings of scientific discourse, what is in fact an unsupported assertion meshing well with his favored opinion. McConnell is abusing the mechanism of scientific citation to lend authority to a claim which derives it only from a couple studies which can be at best described as “exploratory” (and at worst, maybe, as “discredited”)."
-- as Bossavit's "analysis and arguments" which you can evaluate for yourself.
B claims the article is not printed on blue paper, and we have to take that claim on trust because we haven't seen it.
M agrees with that description of the article, but disagrees that not printed on blue paper invalidates its status as evidence.
We can decide for ourselves whether we think not printed on blue paper invalidates its status as evidence.