The issue of tournaments taking too long is very real. We're looking into what we can do to help on our end but there are things you can do to help too. Report your losses. Admins spend a lot of time verifying wins. Report when teams noshow. We don't know if you don't tell us.
We're looking for ways to automate this process a bit along the lines of what you're saying but anything with proof would have to be reviewed by an admin so that may not save much time.