I have not seen the term "perfect storm" used to mean something positive like this - perhaps this is normal? (sorry, no comment on article comment, just was perplexed by headline).
Looking at the top 10 or so stories that come up with https://www.google.com/search?hl=en&gl=us&tbm=nws&authuser=0... I see a few that use it in the positive sense: "Being Santa: a perfect storm of fun", "What the perfect storm of cloud, Big Data and the Internet of Things...", "A perfect storm has been brewing for palladium this month which has pushed the metal impressively north-bound..."
The Oxford English Dictionary has published references going
back to 1718 for “perfect storm,” though the earliest citations
use the phrase positively, as in a “perfect storm” of applause.
is nearly synonymous with "worst-case scenario," although the
latter carries more of a hypothetical connotation.
e.g. The outstanding areas of a research project