One of the benefits of our new storage engine[0] is that it'll be much easier for us to host it in any datacenter, rather than just the biggest, best-connected ones. We still have a lot of work to do to make this available to all durable objects and actually start utilizing smaller datacenters this way, but we're working on it.
[0] https://twitter.com/KentonVarda/status/1659551757796515846
(I'm tech lead for Workers and have been focused on this storage engine in particular.)