[xg15]

How is something cartel-resistant that requires that entities must accumulate more and more capital (mining power) to still be able to participate?

[tboyd47]

Mining profitability is an equation with many variables. If the value of the reward climbs faster than mining technology advances, we might see mining open to regular people again.

Also, the traditional cartel action of limiting supply to inflate price would not work in Bitcoin due to auto-adjusting difficulty.