No, the ban should continue to minimize bogus transactions initiated by newbies. Newbies often are poor dealers/buyers because they don't have reputation to protect.
Yes, lift the ban to attract more visitors. BSTC is a HOT section. The more visitors, the better for everyone. Let the persons transacting with newbie calculate the risk for themselves.
No. Newbies does not have rights. They should do as they are dictated to do. They should wait until they become Junior members, or, they should avail of paid membership if they are in a hurry to post.
Yes. The ban does not serve any purpose. Rather, it causes more problems since newbies would often just insert their post in another's thread or every else.
The issue does not concern me.