> you have sole control and discretion over the deployments.

I do not have sole control, every member of the team does

> Suppose there was another person also with top level responsibility telling you not to do that?

Would quit in two seconds if I had to work in a place like this

well, that's kind of just a more extreme version of "5 minutes later you'd have started a project to carve your code out from theirs so you could deploy it independently" isn't it? For people without the luxury of resigning their job at a moment's notice being an option, this is the next best thing.