It's easier to start light and stay fast when you're sticking closer to the platform. That's why thinking in terms of progressive enhancement is such a win for performance. But putting guard rails in place, managing for speed, and building expertise and leadership in the team that value the *lived* experience are the most important ingredients.
A mature team can manage any tech; an immature team will see even the simplest systems get away from them:
https://infrequently.org/2022/05/performance-management-maturity/