maybe the devs of the game are try to get the players to be more spread out
With Summer Night Flower as an example, the number of players in the Shattered Star Ring willing to take risks had decreased. Thus, the players were only interested in the opportunity presented to them by the Ancient Emperor Party but uninterested in actually completing the mission.
Obviously, Garrett didn't know about how good Abel actually was as a grandmaster alchemist. If he did, he would've changed the ingredients several times more than what was offered here on the table.