I think I am currently at well over 100k bad backlinks. Fun times, they guy is almost making himself obvious as all the local seo comanys are on the same crap links, same dates, various keywords, mine is 'blackhat seo links' but it looks like his 5er gig messed up because they dropped a ton w/ just SEO as the anchor. It's laughable and not really any impact on results. Just spinning their wheels. More serious is getting GMB sites closed and needing to chase that around to bring them live again.