you cant just add and add digits unless it is legally introduced and so what if btc is dividable ?
I have never heard that solving mathematical problems require you to comply with legislation, thought you should only need to know how mathematical laws work. Look I can add any digits I want: 1 BTC = 0.00000000001 BTC * 100000000000 millisatoshis. It's a magic! Well, not really. Lightning Network already does that every day and, you know, system is not collapsed, bitcoin economy still works as intended.