1script - 9:34 pm on Aug 12, 2013 (gmt 0)
This could only be the case where you have absolute control over the link, i.e. you stop paying for it, and it goes away - exactly the type of bad link Google is trying to identify. It's either that or you've got extremely lucky.
I did want to note that in most every case that I have been involved, getting links removed from 50% of the domains targeted has been pretty standard. I'm not sure where the 5% is coming from.
I think I actually have anecdotal evidence of hight removal success percentage being perceived as a bad sign, not the other way around. My "inorganic" links problems all revolve around WP footer links I foolishly sponsored 4 years ago. For one of the target sites I got "lucky" in that a large percentage of blogs using that theme have had domain names expired by 2012. About 80% of bad links were no longer there, and I proudly wrote about it to Google in my RR. That site got its traffic *drop* even further after the manual action was removed, and it never returned. The actual removal rate really was about 5% if you only count webmasters that actually responded to my request (and my offer of free help since it had to do with WP theme change) , the rest came by attrition.