I can't say I'm entirely convinced. Why should people invest serious amounts of time or take a big risk on something they have a rational reason for rejecting?
You don't have to be a heroin addict to make a compelling case against its use.
I think the article is aimed at the vocal detractors of technologies they have never touched, not those who reject something based on others' sound analysis. Just make sure your opinion sources have gotten their hands dirty.
When people are learning something new, they often go through an opinion-forming phase where they internally argue the merits (or not) of what they do. Hence, the need for vocalisation?
Once they know something well, or are happy with what they know and the decision they have come to for themselves, they do not feel the need to talk about it?
You don't have to be a heroin addict to make a compelling case against its use.