Worse one I remember was SQL Slammer. Worked in FinTech at a national bank. We get hammered on some of it, but a lot was self inflicted aby leadership not allocating maintenance windows for patching and bouncing the boxes. The old days. This one will be bad, but I dont give into hype. We had all of the hype back in the Y2K days and it was a nothing burger. Will there be issues, yes, can they be addressed, should be. Goes to prove a solid DR plan that is practiced on a regular basis pays off. Same can be said around having an on prem / own colo. private cloud versus farming all your shit out