> Anyone can write a blog post about why you should do X, and then they write another blog post 5 years later about "Boy was I an idiot for suggesting X, do Y i

> Anyone can write a blog post about why you should do X, and then they write another blog post 5 years later about "Boy was I an idiot for suggesting X, do Y instead!" Scientific literature does this all the time: they put forth a theory and evidence for it, and 5 years later write why they were wrong. But if the lesson is to not spend too much time on unreputable blog posts, I agree.