It's just not that simple. If your scripts contain 20 things hard-coded to your setup and projects, it is not quick nor easy to remove all of those and make something configurable and easily adaptable to other people's setups and projects.
Adapting the scripts to your specific setup is pretty much the entirety of the work in setting this up.
Adapting the scripts to your specific setup is pretty much the entirety of the work in setting this up.