So, I'm not sure if this is less cynical or more cynical, but.. have you ever talked to the decision-makers who buy something like databricks?
They can't build it themselves, and it's highly dubious that they'd be able to hire and supervise someone to build it. Databricks may be selling "nothing special", but it's needed, and the buyers can't build it themselves.
The thing is, it's actually a very difficult engineering/research/infra problem to run complicated queries on enormous data lakes. All the obvious ways to do it are prohibitively slow and expensive. Every bit of performance you can squeeze out of this, you unlock the ability for people to work with their data more easily. So there is huge value in having some centralized companies sink lots of R&D into trying to solve these problems well.
I can tell you the company I work at (4000 people, legacy banking IT) has 4 people running our Datalake. We likely have more people buying/"evaluating" Databricks currently (from overhearing calls in open-plan offices), so I guess they have a point. A very sad point...