Part of the problem is that Google started heavily favoring the age of a domain about a decade or so ago. If you spin up a new site, with high quality content,

Part of the problem is that Google started heavily favoring the age of a domain about a decade or so ago. If you spin up a new site, with high quality content, you simply won’t show up in Google for a long time. Also, the amount of good content today is vastly larger than it was in 2001. Though you are right about the ratio changing.