I've voiced my annoyance with the commenting system in the past, in particular that it is non-threaded and so often very difficult to figure out what someone is responding to if they don't include context (which they often don't), so I won't give details again.

On the topic of the 2 of 10 rule, if it's to prevent one person dominating a thread, shouldn't the rule be "no more than 2 of last 10 should be by the same person *in the same thread*" (so 3 posts by the same person would be fine as long as they are in 3 different threads)?