Sure the datacenter infrastructure won't require the mitigations, but every single multi-tenant die will.

And I'm assuming my 5$/mo DO droplet isn't on it's own dedicated die....

> every single multi-tenant die will.

To be fair though, those chips are a comparatively small part of the datacenter market. Most of them are sitting in IT closets, or per the example above are running HPC workloads on bare metal. Cloud services are the sexy poster child for the segment, but not that large in total.