Hello Ty,
Epic hosted jams have a special place in my heart.
When I worked at Epic (2018-2019) I helped out the community team with judging. (I was identifying stand-outs for the community team to play) I remember 2 gentlemen from the GameTextures website were also helping.
Claim to fame: I came up with the “Down to Earth” theme 
I have no idea how this jam was managed, but If there were a large number of judges from different companies that may have led to some delays/inefficiencies/confusion.
It’s no secret that the Community team was heavily impacted by the recent round of layoffs. So, i’d try to quell your thirst for answers for now.
When the next jam is announced the best course of action may be to gently bring up this jam, and ask if they are able to point out what went wrong and what they are doing to ensure the same mistakes will not be repeated.