Lists are a great new addition to Twitter.
I recently got to thinking (spurred on by @GLComputing - thank you!) about them in a different way.
Lists are groups of people that you've taken the time to say "Hey, this person is important to me." If that's the case, why should you need to tell The Twit Cleaner as well? You've already said it once, after all.
So, now the reports will automatically exclude anyone you've added to any of your lists (including the automated "conversationalist" list). There is a slight issue here with regards to people who've left Twitter but may still be on a list, but in general this will be far offset by the benefit of far fewer false positives on your reports.
As an extra bonus, the benefit (time saved having to check everything) increases the more people you follow - or the larger your lists.
SO what your sayin is my list are not getting scanned? can we fix that?
It's not something that "needs to be fixed." It's intentional.
On accounts your size, scanning lists or not makes very little difference.
On larger accounts, removing lists from the report saves users a LOT of time. Ie, it's extremely valuable.
Adding a report specifically to scan lists (or making that an option, to include/exclude) would be a separate product.