And deploy it on what? The assumption here is the hardware can't handle the load. Deploying a new VM on the same hardware isn't going to make it faster.. quite the opposite. Virtualization doesn't solve all problems, especially when it's probably running on underpowered hardware.
Remember above when I said "Deploy another host?" That hardware.
Adobe has another zero-day for their document reader? We call this, "Tuesday."
Adobe has another zero-day? We call this "Tuesday."
Deploy another host, deploy another template VM to distribute load? Surely it's a plug-in, click/drag fix once they add a new host, right? +1 Scalability.
Nondeterminism means never having to say you are wrong.