some checklists are a just a list of things to do whenever,…
some checklists are a just a list of things to do whenever, but some have a particular order,,, one of the main things you need to organize people or even just an individual life is lists of steps in order, so that you can make progress on things that require a particular order of attention,,, & then it's just the most basic obvious useful automation to have something sort tasks by what step is next--- then you can do the things you're ready to do, like if you have 20 of a resource then you can go to the pile of tasks that require that resource next & do 20 of them,, or just it's useful for being aware of where your tasks are in terms of getting them done,,, just a totally basic productivity tool