I thought it was common knowledge that governments actively buy and use 0days? They certainly do, just look at Stuxnet's astounding and ham handed usage of 4 0d

I thought it was common knowledge that governments actively buy and use 0days? They certainly do, just look at Stuxnet's astounding and ham handed usage of 4 0days (in the first version) for an easy example all the way back in 2010.