To be fair, this is true of all domains. The broader concern with ccTLDs is this borrowing dynamic layered with whatever geopolitical situation the country is in, how stable the administering authority is with respect to the current regime, or just the political forces at work within the country that may lead to changes or requirements for the ccTLD within the country are registered. There is often a concern of DNS infrastructure and local bandwidth considerations for the data center in which the root nameservers are housed, assuming they are not outsourcing that.