They aren't "arbitrary,' if you "learn their communications." The capitol letters used were all unnecessary capitol letters in GEOTUS's Twat.
I speculated on the who referred to, but the numbers are the corresponding numbers of the letter's order in the alphabet. Hence my statement that I stand by that, the numbers don't lie.
This "code" method has been referenced and used by numerous Anon's Posts re: interpreting the real message in Twats and Q drops. Where have you been?