All fine and dandy when you're only dealing with high density displays.
He's awfully mean about it.
I'm not sure if agree that
The design should only hint at the option to click the link, not scream about it. In fact, the words should not change their meaning the slightest when the linking is removed (i. e. when the text is printed).
I think it's a bit naive to think that the existence of hyperlinks haven't affected what and how we write. I'm not sure if either hinting or screaming are valid ways to think about expressing hyperlinks. We certainly shouldn't be hiding them. They are a part of the written word now and pretending like links don't exist does nothing to improve writing, it just adds a level of unnecessary subterfuge to a page.
You can remove underlines in a print stylesheet. When you do that you also remove information and context from that document.
I'm not sure I agree with this. If I'm browsing the web, I'm looking for links; I want links.
Displaying a selection of dated print matter seems arbitrary.