Do SEO agencies in Denver still use directory spam and PBN links?

https://www.mediafire.com/file/0aqs0tmbet3x2z9/pdf-88332-90975.pdf/file

I have spent 15 years building campaigns in Colorado, and I still see agencies promising overnight rankings through methods that died in 2012. It is a persistent ghost in the industry, often sold to business owners who just want the phone to ring