SEO vs Spammers
Lumping in SEO consultants with spammers does a terrible disservice to thousands of creative, diligent and ethical web professionals. REAL SEOs DON'T SPAM. And real SEO consultants don't slavishly grovel after the latest tweaks to the Google algorithm.
Real SEO people help customers develop useful content with rational structures and standards and relevant links that make their websites more useful to visitors. The keyword here is "optimisation." If the content is optimised to be accessible and useful to visitors, the search engines will find it.
Real SEO people have a name for those others who try to outguess and trick the search engines. They're called "spammers!"