[SeanDav]

Wow. Exactly what you feared happened to me. I tool a quick look at the link, couldn't see the point and promptly closed it.

Sometimes, on a quiet day, some quite dubious content can reach the front page and I thought that this was a such a case.

Thank goodness I saw your comment.

BTW. What is HN title philosophy? Could the OP not have said: Lectures available online for Introduction to Machine Learning?