Engineering cultures like to imagine that they are meritocracies, so ideas supposedly compete on their merits. Cynics might argue, on the other hand, that it's all about corporate politics. Neither of these positions is correct, although both merit and politics play a role.
Create the conditions for your success
When I first stepped into a management role, I read a bunch of books and articles about being a manager. One of those was “Becoming the Boss” by Linda A. Hill, published in Harvard Business Review. The bit of that article that I have always remembered was this story, told under the heading “create the conditions for your success”: