When creating a task, it's likely to have a certain number of global variables / arrays global to be able to check their content for debuggung.
When having task development finished, certain global variables / arrays should be local because they are much more run-time efficient than being global.
It's a certain work to change global variables / arrays to local and also a certain risk to miss a variable / array somewhere in an action, and task doesn't work no longer as expected.
My proposal: Would it be possibe that variables / arrays with an e.g. leading or trailing