Inadvertently, the article explains that despite the best efforts of the left to indoctrinate the children the real world interferes.
Perhaps if they read history and quotes from dreaded people like Winston Churchill, they would better understand that political views are neither fixed nor constant, but are shaped by our exposure to the real world. It’s pretty clear that the Won in the White House has never had that exposure.
I have seen that also. My older sister is pretty liberal now, but her teen age daughter is not. This is despite living in Seattle, and having it forced fed to her from the public schools.
I sometimes think it is how we are wired from birth. The book “The Righteous Mind” says that, I and have seen it. Also explains in part why some many devout Catholics remain so liberal.