NEM Blacklist makes currency censorable

As I covered the CoinCheck Hack last week and updated on the story this week, the choices and decisions made by some of the stakeholders have somewhat perplexed me. Particularly NEM and their “Blacklist” implementation to dealing with the stolen funds, ensuring that they are to be frozen as soon as they step onto an exchange.
Does this decision lead down a dark path?
This is not going to be the last hack. Will new hacks enlarge the blacklist? Is there a moment in time that NEM will b