Do you have any references for this claim? I browse HN pretty much everyday, and "I can't do X without logging in" doesn't seem to be a popular type of post.

Do you have any references for this claim? I browse HN pretty much everyday, and "I can't do X without logging in" doesn't seem to be a popular type of post. The only example I can think of is Reddit's API changes, which were a while ago and loosely related to logging in.