Then why not say: "We have identified and fixed bugs that could result in incorrect masterpassword use notifications being sent but we have not yet been able t

Then why not say: "We have identified and fixed bugs that could result in incorrect masterpassword use notifications being sent but we have not yet been able to determine which if any of the recent wave of notifications were caused by those bugs. We are still investigating the issue". Instead of communicating clearly around a serious security incident they are using mealy mouthed PR speak which does nothing to improve their image.