That sounds like pure nonsense. I've used two G1's with over a dozen different DAC's in the last five years and never had or heard of a compatibility issue. Typical audio forum BS from users who can't read a manual.
Auralic Aries G1.1
I am using the Matrix Element S for wireless streaming to my Lampizator connected via AES. I would be very interested in feedback from those of you who have the Auralic Aries G1.1