First off, having dedicated hardware doesn't make these a non-issue, it just makes them less of an issue. If you have dedicated hardware they are concerns. Appl

First off, having dedicated hardware doesn't make these a non-issue, it just makes them less of an issue. If you have dedicated hardware they are concerns. Applications still need to be isolated from each other, and it's a path for someone who gets in as a user to potentially leverage it to root access. Second, saying everyone should have dedicated hardware is just nonsense. It's like saying everyone should run their own datacenter. For most people neither of those makes financial sense.