“This guy” = here
Well?
This is an opinion not a factual answer, but yes.
This is not an opinion, it is a factual answer. Yes, he is completely full of crap. Why on Earth would you think otherwise?
He’s not full of it, he’s brimming over with it.
head on over to www.badastronomy.com to read up on this guy (and similar people). I’m not sure about him, but his theories are indeed a bargefull of offal.
Brian
Ah. I suspected as much, but being pretty stupid when it comes to astronomy, I felt I needed some input, and I know no greater source for anti-stupid than Straight Dope. Thank you. 
Thanks W. After a crap morning in the office I needed a good laugh, that link provided it . Cheers.
Exit Mundi has a detailed debunking of Planet X.