I don't see this as a too much of a time investment as, since the introduction of the Relics, many top players had big piles of iron coins and brought the most possible out of them. Right now, they are practically invincible and are thrashing, burning & wiping the floor with the most / many teams. This isn't a competition anymore, but its not their fault if someone from the NF thought that the Relics are good for the game. And it really is, but it is just for few, as it seems, and those can even play all of the matches on auto, I believe, at least the most matches against the "casual" players of the Arena.