Because the current system works with the current environment. If the environment changes the system can choose to adapt. That may sound reactionary rather than proactive but it's better to be so when proactively changing for something that may never come would reduce the utility and openness of the blockchain.
Because the current system works with the current environment. If the environment changes the system can choose to adapt. That may sound reactionary rather than proactive but it's better to be so when proactively changing for something that may never come would reduce the utility and openness of the blockchain.