I think a strong test a lot of "let's use Google scale architecture for our MVP" advocates fail is: can your architecture support a performant paginated list with dynamic sort, filter and search where eventual consistency isn't acceptable?
Pretty much every CRUD app needs this at some point and if every join needs a network call your app is going to suck to use and suck to develop.
Pretty much every CRUD app needs this at some point and if every join needs a network call your app is going to suck to use and suck to develop.