There’s some truth to it, but it is (of course—this is journalism!) highly overstated and overcolored. A Russian-American who posted it on Facebook wrote:
I’m sorry, this article is garbage by someone who wants to monetize a culture that she doesn’t understand for the benefit of readers who have well-established stereotypes about grim Russians. Go to Russia and ask people “Kak dela?” Most of them will say “nichego,” “khorosho,” “normal’no"--which are literally equivalent to “fine”!
That, of course, is overstated as well; it’s perfectly obvious that Russians exhibit far less in the way of automatic good cheer than Americans. But everybody knew that already.