"All of this can happen without any new user having to pay a cent"

Wow, you explained that really well.

All the behind-the-scenes machinations that sluggishly happened behind-the-scenes gets put into the hands of Steem holders, newly empowered to facilitate with their RCs precious new users to the blockchain, with the easy ability to pick and choose which users to boost.

Brilliant way of empowering the blockchain really. :)