Here’s a friendly tip for CG for the future.
Whenever you do decide to make changes to the in game economy affecting the flow of anything of perceived value to the player base, always err on the side of being a bit too generous towards all players. Your bean counters might react with their gut feeling of seeing it as lost potential revenue because it can be directly or indirectly mapped to crystals that can be bought for real money. But push down that feeling and consider that this is an infinite resource consumption game, it doesn’t matter if you reduce one pay wall slightly, another one is always there for the players to spend on.
The importance is the positive feeling of the player base that will reduce churn and thus keep players active longer and strangely enough spending more in the long run.