explain more 4 da stoopid

speed and scalability = good
what is = the bad?

network model
Does this mean that btcd and vrc staking coins can contribute to the mother chain while staking their own chain?
Would this allow all to stake all?
Anyone can now fork-in to the superNET?

business model
Crypto creator needs to buy (f)nxt to pay for the creation of an asset?
What is nxt used to pay for?  
Can we get a clear picture on the business model for (f)nxt and nxt?
Which is the one used for transaction fee?