> I started talks with upper leadership to move all the people currently working on building/improving products internally into a dedicated business unit. New

> I started talks with upper leadership to move all the people currently working on building/improving products internally into a dedicated business unit. New things go with old things. The people who maintain a product ideally should own the improvement or replacement of that product. That's how you get everyone on board. And if you can't manage to do that, then you'll probably end up in some kind war.