We're a B2B company with a microservice-architecture SaaS that wants to start to sell an on-prem offering. Kubernetes is a no-brainer.

Even if we had a monolith instead, and no plans for an on-prem offering, ultimately I still think that a managed Kubernetes offering makes sense. Efficient resource utilization is all the more important for small companies, and once you have more than a handful of servers, Kubernetes makes it much easier to right-size your fleet by handling all of the scheduling for you.

If you have a couple of servers and that's it, then sure, Kubernetes isn't giving you much. But if you're building a professional offering then you're likely to outgrow that couple of servers pretty quickly.