I disagree. I think Shatner is every big as rude and egotistical as he comes across in his post. His age may certainly be heightening it, but he needs to get off the air and out of the spotlight. It's just embarassing, and his attitude is becoming the exact opposite of the thing Trek stood for.
personally i dont think he said anything really out of line. after the way he's been attacked in the media by his former co-stars who can blame him for taking a few shots at them.