smallcompany - 2:39 am on Nov 3, 2012 (gmt 0)
I feel the same. At some point I started creating 301s in my .htaccess files for sites that WMT showed various 404s, mostly created by scraper and other abnormal sites. After clearing the first batch and seeing a new one shortly after, I stopped doing it.
a new full-time job
Same about this disavow thing.