It will only help reduce the amount of automated, non-human emails generated through their system, nothing more. The hypothesis that the good outweighs the sinister when it comes to flagging is unfounded. Its a new filtering system where you can clean the clutter away from your view on the screen as you are browing Craigslist. That is why we created our Forum and Classifieds sections to help people and get them more exposure.
I tried Proxy service, new email address, new phone number, and or new account, various combinations of all of the above, including changing the information in my ad completely, but I have yet to see if changing the ID of my computer will work, IE: One group became flooded with trolls, and I got attacked non-stop. In case anyone is interested in a follow-up, the spam has finally stopped. Credibility for WHAT????