Reorg Hell - Software Engineer Spotify Employee Review

I've had 4 managers within 2 years. 1 left for greener pastures and the other 3 came from reorganizations. Countless reorganizations that lead to endless meetings on redefining strategy, manager chains etc. Very rare to find a manager that cares about your personal career growth. It's 100% on you to manage it, which is fine so long as there is proper training, opportunities, and guidance as to how to do that. How do you drive your own development here when managers are hesitant to let you embed and your team's work/culture is slow, unexciting and lacking any real technical challenge?