The seo hasn't change at all

Hello, for a long time I have watched how many say earn millions by positioning websites, I have worked seo with quite normal results. The reality is that after reading a lot and listening to exhaustion the typical phrase "Content is king" I realized that the seo has not changed anything during the 7 years I've been here.
Everything points to the same place. Make content more organic and useful for users. I have also read blackhat courses that are only shortcuts or rigged practices that are...

The seo hasn't change at all

by IJMR via TBN