> This is one of many reasons I am still wary of VMs and 'cloud' computing more generally. VMs have been used in the Real World for going on five decades now,

> This is one of many reasons I am still wary of VMs and 'cloud' computing more generally. VMs have been used in the Real World for going on five decades now, in the form of VM (formerly CP) on IBM System/360 mainframes et seq. The threat model may have changed, but I don't even know if that's necessarily true.