The example in the article is 40k/day for querying on 14 GB of data, every second. You can do that on a ~100/month machine or a somewhat modern laptop.
Our entire, hundreds of millions of dollars business with hundreds of millions of orders of historical data can be "explored" by a data scientist on an average macbook.
If your data scientists can't do data science, then that's pretty bad
If your data scientists can't do data science, then that's pretty bad