Thanks.  Good to know.

Still not clicking on it.  No sense in forming bad habits. (Besides, it might not always be "Just embedded YouTube video". It could change at any time.)

If he has something interesting and worthwhile to say, he can just say it here like everybody else.  I don't need to waste time following links from everyone just to know what their point is.  If I wanted to do that, I'd be on reddit.