Amazing, where are the horror stories, I have never seen any.
This is a heck of a thing for people to never have heard of.
Each commercial wind turbine has a house sized chuck of concrete for the foundation that needs to be removed.
Would guess that the utility companies feasibility studies did not include removing the concrete after the lease period expired.
This is 2010 article, but it addresses the issue of abandoned wind farms.
https://www.americanthinker.com/articles/2010/02/wind_energys_ghosts_1.html