Ok this will sound a bit snitchy but what exactly did they say to the admins ??
And what were those rules?
Why were Ice Ninja and Zomrife removed???
But atleast now we know they do have DNA
Here is the definitive answer were Derrick J. Wyatt says: https://ben10.fandom.com/wiki/File:Omnitrix_Cannot_Accept_Stone_Creature_DNA.png
Ok the part of Blood had nothing to do, but the thing is they are MADE of magic and magic cannot be scanned, and yes all the aliens you mentioned do not have blood but they have DNA
No, they are made by magic and dont have DNA or blood or nothing alike.
Its was already in the omnitrix but he scanned a saiyan from hes universe for easier acces prior days to the void fight in chapter 1.