what in my view makes it not-Bulverism is that it wasn't aiming at refuting or discrediting or attacking Trump or his supporters.
Such things are not always written with an explicit statement "and this is an attack on Trump or his supporters". The tone and context of the article resemble an attack made using plausible deniability. Even ignoring that, the article is functionally an attack; people who believe its conclusions will come away thinking that science has proven that Trump is a bad guy, regardless of whether the author meant for it to work that way.
The article makes an explicit statement of its purpose (which is something other than attacking Trump and his supporters). So does the description of it offered in the author's OP. The article says very little that's actually critical of Trump and even less that's critical of his supporters (who, please note, are the ones who should be being attacked here for it to be an example of Bulverism). The author of the article has actually stated that he didn't intend it as an attack and confirmed that the most attack-y bit -- the title and subtitle -- was put in ...
As part of my broader project of promoting rationality to a wide audience , I published an article in Salon entitled "Get Donald Trump out of my brain: The neuroscience that explains why he’s running away with the GOP." I'd welcome your thoughts on this article itself, and also meta-comments on the strategy of using mindkillers such as politics to raise the sanity waterline by smuggling in rationality memes into such popular and populist venues.