The current formula is:
(Rating)cubed (Where rating is MIN(rating, highest rating of current Tier)
my proposal is:
Rating x BCXequ of fielded Summoner

So, as you can see- the Rshares/win would go down, quite a bit- across the board.
Ie. if your rating is 500. Currently you would earn:
500 x 500 x 500= 125000000 (divided by 1,000,000 for display purposes or 125)
whereas under my proposal, that same account would earn
500 x 1 (or 5 if they fielded a L2 Summoner or 0.1 if they fielded a Ghost Summoner)
So, instead of earning 125M Rshares- in the current system, you would earn 50, 500, or 2500- depending on the level of Summoner fielded.
As for Champs, let's say you have a rating of 4K and you win. Current system:
4,000 x 4,000 x 4,000 = 64,000,000,000 Rshares (divided by the 1M for display purposes, 64,000)
my proposal would knock that down to 4K x BCXequ of fielded Summoner, or around 450K.
So, yes- I agree that they are currently awarding 'too much Rshares' and that number should be knocked down, a LOT.

As for ECR/Alpha/Beta/Promo/GF/Win Streak/Guild adjustments to Earnings and Rewards- not suggesting anything change, there.