From my perspective, Wannacry is just a PITA. My network is fully patched and firewalled, and we pentest regularly. Nothing happened to my network and after a while, nothing continued to happen.
What I spent much of last week doing, however, was reporting to the Board what we did to mitigate the attack, and meeting with vendors to get assurances that the planet continues to rotate. We are now bringing forward $20k of antimalware work to do a belts-and-braces improvement in protection against something we already protected against and I have to defer and reschedule other work that is more beneficial to the business. But heaven forbid that I be seen to take this nonchalantly. Because that would be BAD.