I have some opinions on this but will leave the comment to Chris. Anyway the answer to your last question is YES, they go through the PT as unofficials.
w.
PS. Chris, could you please sum up the above thread in a short guideline and add it to the Parts Tracker Policies.
w.
PS. Chris, could you please sum up the above thread in a short guideline and add it to the Parts Tracker Policies.
LEGO ergo sum