Checklists are good for things that must be done manually, and must not be forgotten. Automation is good for things that can be done automatically. There is no point in doing things manually just for the sake of it if it can be done just as well automatically.
It's a different matter if it can't be done automatically, or the automation doesn't have appropriate monitoring, or if it is safety-critical (that's why aircraft routines *are* automated, and require manual checking as well, or they are manual, and have automated checks).