Is this article comparing apples and oranges? For example

> loading the entire homepage only takes one query [if you're logged out]

You can do this with Next.js SSR - there's nothing stopping you from reading from a cache in a server action?

They also talk about Vercel hosting costs, but then self host Rails? Couldn't they have self hosted Next.js as well? Rails notoriously takes 3-4x the resources of other web frameworks because of speed and resources.