Managers (both product and engineering) know it too; that’s just not how their incentives are designed (as mentioned above). Though I don’t have an answer for

Managers (both product and engineering) know it too; that’s just not how their incentives are designed (as mentioned above). Though I don’t have an answer for how to align incentives correctly in a modern company. If you have one visionary who owns the product forever and happens to care about UX, you can do it. But that’s not how companies work today.