This may be true while searching for product market fit, but once you hit a certain (small but stable) size, your ability to identify what your existing and fut

This may be true while searching for product market fit, but once you hit a certain (small but stable) size, your ability to identify what your existing and future customers currently want, and will in the near to mid future want goes up. There's a difference between future proofing to be able to deliver a roadmap or using your market research to get the next X customers and trying to guess at what some as yet unknown market might one day want.