Here is the rough draft from my white paper for the section concerning
transactions fees, block size, and the unavoidable monopolization of Proof-of-Work by a few:
https://gist.github.com/shelby3/c0d6e0ed132be7e4577df3663c81ee09Applies to every proof-of-work coin which attempts to scale up, not just Bitcoin.
I edited it after proof-reading upon awakening.