I can tell you've never dealt with one of those trivial backouts on a product that moves a hundred billion dollars a day and is a key component of the entire US economy. Or a product where a bad software deployment can actually kill people.
Process is the scar tissue of the enterprise. Those scars are there because the enterprise was wounded. Lots of process, many scars.
I can choose not to work in an environment riddled with "scar tissue". Instead, I can go work at a startup and eat that enterprise's lunch with a tenth of the budget. Unfortunately, thanks to inflexible and sanctimonious attitudes some programmers adopt about what is and is not "responsible" engineering, the only way to change practices is to beat the old practices in the marketplace.
Process is the scar tissue of the enterprise. Those scars are there because the enterprise was wounded. Lots of process, many scars.