To be fair, I suspect that Windows simply makes for an attractive target, both for security researchers and malware authors, because about 90% of desktop comput

To be fair, I suspect that Windows simply makes for an attractive target, both for security researchers and malware authors, because about 90% of desktop computers are running Windows. If GNU/Linux had a market share of >50%, I would expect similar news to pile up at a comparable rate. For the moment, GNU/Linux enjoys kind of a reverse herd immunity, but I do not believe it is inherently more secure than Windows.