Season all this with a dash of politics. Remember, the vision is now jointly owned and the likelihood of each department or individual having an identical vision becomes highly unlikely. Although incredibly complex business plans are held at the highest offices, the one noticeable item that might be missing from the top floor is technical or operational wisdom. In other words, the vision has switched from a product or service focus to a broader business vision. The stuff you are actually building or providing is dealt with at a lower echelon.
Raw power is an extreme advantage of enterprise-level organizations.
If someone has introduced a better widget, you can outmaneuver that company in countless ways. You can pour more money into research, development, and production, and then beat the company to market. You might leapfrog its technology altogether. You can apply pressure to its partners to adopt your technology instead, and go after its funding sources, supply chains, and fulfillment venues. You can even tie the company up in court or get the government to do it for you.