Regardless of any changes/discussion about the new RIs, this is the intentional change here. We intend to never allow a large town/alliance to be effectively funded by a disproportionally low number of players. We recognize that there will always be a smaller number of the grinders in an alliance, and a small number is okay, but people had become comfortable with effectively one player funding the entire alliance, and that's butts.
What is more at stake here is how it feels to go to the RIs for ores. One potential change is to increase the cooldown (every 40h, maybe every 60h) and then increase the ores you can mine. Effectively, you'd go less often, but when you do, you get a whole lot of ores all at once which feels like funtimes.
What we are happy with is the rate of ores over time that the RIs now provide. If it feels better to get a lot of ores, but less often, then perhaps that's the better change to make. Since there are 3 RIs, then players can have some freedom about when they go to which isle, be it all 3 at once, or one every day, etc.