Gyppo, definitely not. The ones that were discovered, i.e the links from hacked WP websites, we clearly spam.
I totally see where you're coming from, but the number and quality of the links that have occurred naturally, far outweigh the rubbish that has been thrown a the site. I can't really see much spam at all TBH, but I know my competitor does build spammy links towards us. One link in particular, was on a page with reasonable authority, and was reviewing SE Nuke X! haha
The "experiment" that I did, albeit a small one, shows how an influx of spammy links, kills a ranking.