[JohnBooty]

Yes, I believe you are completely correct.

The author flatly states, a few sentences later, "On the other hand microdosing is not common."

While the author's wording misses the mark, from context there's absolutely doubt he's referring to microdosing being a more popular discussion topic in some circles, not more popular in terms of the absolute number of people actually doing it.

[unifiedtheory]

yes