Your post is a pot shot against the NTSB, who is merely stating as a matter of fact that a piece of evidence was stolen and therefore could not be analyzed.
It's not up to you, or internet con artists, to decide whether evidence is relevant or not.
I see a common thread among people who get frustrated with training, which is that that get upset when they make a mistake (which to an extent is normal and human nature, I guess it would be a problem if they didn't get some upset) but then they let the mistakes make them feel like a failure...
The PHAK states a servo tab "drives" the primary control, while a balance tab is moved mechanically in conjunction with the primary control surface. However, different manufacturers use these terms differently. Embraer says the ERJ has "servo tabs" but they meet the FAA's definition of balance...
The FAA TCDS gives the allowable CG range in inches, along with the datum location and arm in inches for the fuel tanks:
https://tecnam.com/wp-content/uploads/2020/12/FAA-P2006T.pdf
The arms for the seats and baggage area can be worked out by reversing the WxA=M formula or with a measuring...
Used plane prices are through the roof, I don't know why you would scrap it. List it for sale whole and see what happens. (It's not like the scrap value is going to decrease if it sits on the market awhile.)