Potential reason for random errors on N3DS after downgrading?

So I wondered why the 10.3 update for the N3DS was so much larger than the 9.2 update (110 titles vs 102), and it got me thinking that maybe when we downgrade we are leaving some updated titles present that weren't there on 9.2 and maybe this was the problem. (I also wondered why the O3DS 9.2 update was 126 titles. Where did the other 24 come from?)

After doing some looking into the SOAP replies for the various N3DS and O3DS updates, I have realized I...