Mister  @Chris Liss has made a beautiful point here about how cold storage disables authorities abuse our freedoms in secrecy. For example  @lyuda_kozlovska had many great conversations on different podcasts about authoritarian regimes (and not only) blocking funds, and we only know about it cause people like her are dedicating their lives to make it public. 
They can block a bank account (say, Russias) with no fuss, but they can't quietly cease the BTC of say, El Salvador