> Requiring reputation to gain the ability to post comments, then having one's answers deleted as "this should've been a comment"

Yep, this exactly happened to me. I felt like a taker for always reading SO but not contributing. I saw an answer that was out of date, so I tried to point it out. I couldn't make a comment, so I put it in another answer.

Got banned from answering until I got my points up, and the only way to do that was to ask questions, of which I had none. Never mind that the information I tried to post could have saved someone from going down the wrong path. Totally irrelevant. Rules must be followed.

And then I discovered SO meta. Holy cow. Those people were so far up their own butts, they couldn't see daylight. I was morbidly transfixed.