I have read in some other post that it’s not about the on-call and development overhead, but the potential operational burden to the company or its customers. W

I have read in some other post that it’s not about the on-call and development overhead, but the potential operational burden to the company or its customers. What about some bad algorithm which causes millions of dollars in revenue or something blocking your customers over the weekend? Who is going to fix this kind of issues during the weekend? It’s better to deploy on Sundays then.