The paper is specifically talking about raising the block size limit with a hard fork. They are going with the argument that miners might be opposed to such a hard fork and users not. So the solution to that is for miners to implement a soft limit after such a hard fork goes through.
This is a major problem for Bitcoin because like i keep saying the development team are working
for the wrong masters and by allowing the miners to ramp fees up to $55 and doing nothing it may
have been a fatal wound to Bitcoin and the price has been going down ever since.
We have 20,000 miner so the ones that don't like the changes can leave and allow the remaining
miners to share around whats left and earn a honest wage.