> "couldn't they just use a myriad of other priveledge escalation bugs?" The idea is to patch all known privilege escalation bugs. It's rare for an attacker t

> "couldn't they just use a myriad of other priveledge escalation bugs?" The idea is to patch all known privilege escalation bugs. It's rare for an attacker to rely on a single attack vector. They may get to the point where they only have limited access to running code, and want to break out of that sandbox. Spectre/Meltdown may be the route they take to do so.