How did SiteAdvisor get 1 million listings in Google?

SiteAdvisor has created more than 8 million webpages using every single domain name in it's URL, Keywords, description Meta-tags. And even it lists that domain name almost 10 times in each page. Is this something acceptable to MSN, Yahoo or Google?

Check this more than 1 million pages already indexed by google : http://www.google.com/search?hl=en&lr=&q=site:siteadvisor.com&btnG=Search

Look at the Meta-tags, and the keywords, descriptions and even the URL title. I am trying to understand if this is a McAfee's marketing strategy to generate internet traffic to and increase it's ranking on internet. Is SiteAdvisor taking away internet traffic by using this approach?

I am surprised to even see something like this: Pages created for non-existing domain names too?

http://www.siteadvisor.com/sites/google1.com
http://www.siteadvisor.com/sites/msnyahoo2.com
http://www.siteadvisor.com/sites/yahoogoogle3.com
http://www.siteadvisor.com/sites/msnyahoogoogle11000001.com
... and so on?

Sample HTML Code from http://www.siteadvisor.com/sites/MsnYahooGoogle.com:

<title>MsnYahooGoogle.com | Web Safety Ratings from McAfee SiteAdvisor</title>
<META HTTP-EQUIV="expires" CONTENT="0" />
<meta name="description" content="McAfee SiteAdvisor tests MsnYahooGoogle.com for adware, spam, scams, and e-mail practices" />
<meta name="keywords" content="MsnYahooGoogle.com, spyware, adware, spam, fraud" />

You should be asking Google that, not us

Discussions about site ranking, Google search hits, meta tags and similar topics are seiously off-topic for this forum, so please don't discuss that here. I'm sure there are plenty of webmaster forums where you can talk about it.