First, about that deck, the rules of the comp was not to replicate any of the other AI4 farmers, so, that's first... there is another set publicly available on the forums too, click the link at the top of that posting to go to those, the mono aether was one example
Second, I tested that deck along with UTAlan, it was tested nearly 100 games, for that comp, so I know it works.
Third, a very similiar, upgraded version of that deck was also tested with a greater than 50% win rate against FG back at version 1.27, and is still a good farmer, so natural transition there and why I recommended it.
However, experience does have a significant effect in this game... some decks are no brainers especially mono decks. But, many others require experience to play right... I had a post earlier about my own sloppiness with first playing with the instosis deck on the wiki. I lost a lot of games to my own sloppy playing. Now, I am experienced enough to win a lot more games and stopped making mistakes and have nearly doubled my win rate. It's probably the same here for you here.
UTAlan is very very experienced at this game, and I've been at it for a while myself. Experience plays a strong part in farming, to edge out many would be losses. So knowing what the AI will destroy first, or even if the AI has the capability to destroy a perm is important to trick the AI in attacking the redherring, or if you should even spend elementrum on something. Timing, electrum count, card count, capabilities, etc, all important. UTAlan has most definitely played many decks involving good fractal effects, while maintaining the right amount of aether to keep the shield links alive. I've played a few decks like that in the past as well, so those stats come from a source who has played that kind of deck before... it'll probably start out a lot rougher for you.