I know nothing about it except what is in the article, and the article characterizes Nynorsk as “cultural elite language”—it looks like the article is not accurate?
That aside, “cultural elite” or “status” are always relative, of course…
A small cultural elite within its own user base likes to thumb their nose at Bokmål, but the proportion of the population who uses Nynorsk is only 10%. The vast majority of the "cultural elite" of Norway as a whole uses Bokmål. There are perhaps some small subsets where it might punch above its weight relative to the total number of users, and I think that is what the article is hinting at. E.g. we have had perhaps more prominent authors who use Nynorsk than the proportion of Nynorsk users might have made you expect.
But conversely, you'll if anything be more likely to find people with negative attitudes to Nynorsk, with at least some proportion of people who resent having to deal with a language only used by 10%.
That aside, “cultural elite” or “status” are always relative, of course…