I'm just going by how I understand it should work. For the second case, how can the system distinguish between 100 bots and 100 new users? The users should build their SP quicker if they post and comment as their curation rewards would be tiny. There's no one algorithm to make everyone happy, but we need to find the balance that will encourage new users whilst those who buy lots of Steem feel they get a reasonable return.

I definitely don't have all the answers. I'm interested in hearing other views.