"If I need quick hot fix RIGHT NOW, I can't just log in, change couple of lines and restart, must go through full deploy cycle."
If you have CI/CD, and you must have CI/CD, this should never be done. As soon as it is allowed, you will eventually have changes applied to production that are not in your VCS.
If you have CI/CD, and you must have CI/CD, this should never be done. As soon as it is allowed, you will eventually have changes applied to production that are not in your VCS.