I think the truth underlying that observation is that scaling is always hard. It's relatively easy to pick some defaults that work to get 99% of projects off t

I think the truth underlying that observation is that scaling is always hard. It's relatively easy to pick some defaults that work to get 99% of projects off the ground when they are small, but once you approach real scale inevitably hard decisions need to be made, and those decisions will depend on seemingly minute details of your service's workload. Therefore, tools like Kubernetes necessarily have a threshold of expertise required to use them effectively. I think all of these things are all trending towards more scalable and easier to use, but fundamentally there will always be a tension between those two goals.