Isn't the real pressing issue recently the discovery that it takes less than the cost of a Smart car to spam up the system for hours and hours?
The *initial* cost to fill blocks is low, but (assuming actual non-spam/noise demand exists) fee pressure will result in an upward price spiral for the attacker.
However, the more room available in the block, the less effective this free market self-correcting remedy/mechanism becomes.
such shallow, naive economic thinking.
Please elaborate and provide (if available) evidence for this
Or, just go back to using words you apparently do not know the definition of, like "thuggish."
AFAIK I have not robbed and/or murdered any travelers (lately
). As for Kali worship, [*cough*] no comment. 
BRB, need to pick up turban from dry cleaners...