It's a two-way street. Bosses demand sign-offs because someone at some time deployed something that didn't work. Signoff processes are there as a pain avoidance

It's a two-way street. Bosses demand sign-offs because someone at some time deployed something that didn't work. Signoff processes are there as a pain avoidance technique. If you are positive about the quality that goes out, you can have a corporate culture that encourages this sort of thing. If you're in a company that feels like it has to fill seats you get a combination of people who are good at their job who have to deal with bureaucracy and people who aren't good at their jobs who are saved by it.