Of course he would probably feel the same about watching a film on a television screen at home.

Hmm, I've always thought Gruber was pretty fair when discussing things related to Apple. He is obviously an Apple user and has a generally positive attitude towards their products, but seems to have no problem criticizing them when he feels it's justified. However he also has a low tolerance for gratuitous, anti-Apple FUD as he demonstrated in the post you link to.

Tthe number of posts about Apple seem to be an increasingly small percentage of his blog. The rest are devoted to a variety of eclectic subjects of interest to him.