Whatever the numbers end up being, a redfish account should be able to post and comment a reasonable amount on a daily basis.
Call it 5 average length posts and 10 comments. Add another 10 upvotes that's the normal recharge rate under HF19 and prior.
That's real life social behavior, not spam.
If the RC budgeting system doesn't allow for this there is no way new users will come on board.
RE: HF20 Update: Restoring Continuity