As a gamedev, that sentence nearly gave me a heart attack. :)

I get where you are coming from, but the amount of work you can do in 5ms is mindblowing.

I felt the context was really far down the stack, so services that lots of other services would be depending on was how I read it. The places I want fast, high volume and never failing cause so much depends on a red wheelbarrow.

At the core of a data centre, between VMs, it always makes a difference. An enormous one.