1. even if it costs more time, it could also save more annoyance which could be a benefit
2. by publishing the scripts, anyone else who comes across them can use them and save time without the initial cost. similarly, making and sharing these can encourage others to share their own scripts, some of which the author could save time with
In my experience, it's not "maybe" but "almost certainly" which is why I stopped doing this. Every time I get a new system I would have to set everything up again, it's not cross platform, doesn't work when using someone else's computer, suddenly breaks for some reason or another, or you forget it exists...
The annoyance of all these factors for outweighs the benefits, in my experience. It's just that the scripts feel good at first and the annoyance doesn't come until later and eventually you abandon them.
1. even if it costs more time, it could also save more annoyance which could be a benefit
2. by publishing the scripts, anyone else who comes across them can use them and save time without the initial cost. similarly, making and sharing these can encourage others to share their own scripts, some of which the author could save time with