“This may surprise you, but continuous deployment is far and away the easiest way to write, ship, and run code in production. This is the counterintuitive truth about software: making lots of little changes swiftly is infinitely easier than making a few bulky changes slowly.”

https://stackoverflow.blog/2021/12/20/fulfilling-the-promise-of-ci-cd/

Maybe this is counterintuitive, but ask yourself: Who has the time to manually test and release changes to production at scale? That’s right: nobody.