I worked in a Postgres for everything business, and the IPO and later value creation for customers and investors (including me) had been stratospheric.
Not dealing with loads of technology choices in the early days is a boon.
Once we hit more than $100m in rev it made sense to allow a bit more optimisation for purpose - but only when we had cash flow to pay for it. Otherwise all these fancy-shmancy choices are just dressed-up tech debt.