Why does a divisional structure make it difficult for us to share solutions?

Different divisions include different cultures, and those cultures may see the other divisions as too difficult to communicate with.

The divisional structure has redundancies that create more work for your managers, so they don't have time to communicate with other managers.

The mid$-$level managers in the SBUs only care about pleasing their bosses, so they don't communicate with other SBUs.

In a divisional structure, you have redundancies like multiple finance departments or multiple marketing groups, which increase costs.