I doubt it's your own problem. The thing about methodologies like DDD and Agile is that they're not just a development practice. They're also (in my opinion muc

I doubt it's your own problem. The thing about methodologies like DDD and Agile is that they're not just a development practice. They're also (in my opinion much more importantly) frameworks for how the entire company interacts with the dev team. I see them fail more often than not, too, and one thing that's consistent about every failed implementation I've witnessed first-hand is that non-developers who are involved in or influence product development weren't engaged with, bought into, or properly trained in the framework.