Here's a prime example of the typical article suggesting that statins are bad for the brain:

https://www.psychologytoday.com/us/blog/diagnosis-diet/20170...

On one hand author argues that dietary cholesterol doesn't pass the blood brain barrier. Author also says that low brain cholesterol should not be a problem because some vegans have high cholesterol. Well, that high cholesterol is from measuring the blood, so seems like a conflicting argument.