As in any business, understanding user personas is crucial in software product development.
Even a multi-billion USD org does that carefully.
Understanding their pains & aspirations in their work life is of paramount
importance.
Understanding the difference between User & Buyer personas is also
important.
Maybe understanding pain & aspirations of Buyer personas is more important.
This homework can help you take your roadmap in the right direction and save a truckload of cash.
For any team, writing code & shipping features is exciting.
Too often, I see teams skip this homework in the excitement of shipping.
Soon, they discover that writing code is just a small part of the puzzle.
Your team need not discover it again.