There's def a login issue, my buddy Dave has tried to get back on multiple times after forgetting his password, has tried for months. The email an admin hasn't worked for him.
The minimum post count keeps scammers to a minimum. You don't see many so and so ripped me off threads for a reason. I think most of us would rather buy from someone we know anyway. With traffic down I can see how getting post count up would be rough though.