If mosw.com get lots of red reviews it will turn yellow. An example of this is
Spyware Terminator. It's a really good anti-spyware but because of Crawler's past (which changed 2 years ago) 8 people voted "spyware, adware or viruses" and it got yellow (because the testing was green).
Nothing will happen to the site directly but anyone who has the plugin will get a bright yellow siteadvisor panel which warns them to use caution. If they are smart they would click on it to see site details and read why it is yellow/red. If they use a supported search engine the site will get a yellow exclamation mark or red cross next to the result and they can hover it to reveal why it is blacklisted. Quite useful when going to unknown websites. If Abandonia had a yellow or red mark I sure wouldn't feel safe being here. Luckily it's green :bleh: