This guy found it out the hard way, and his previously successful business tangibly suffered because search engines changed their criteria for what was considered an appealing business:
Parf 1:
https://youtu.be/II2QF9JwtLc
Part 2:
https://youtu.be/6uKZ84zwJI0
In the last 5 minutes of this video, the woman interviewed mentions something similar that seems to have happened with a different guy's blog post:
https://youtu.be/G7-gNp8GAHU
4/x
