I’ve been to Catalonia and understand why they’re angry but doesn’t the world have enough countries?
WE actually need more countries. Smaller units, decentralization. More competition, more freedom. We could go the other way and have fewer countries, There are those who want just one.
It's up to the people to decide for themselves if they want to be independent.
As Abraham Lincoln said:
"Any people anywhere, being inclined and having the power, have the right to rise up, and shake off the existing government, and form a new one that suits them better-- This is a most valuable, -- a most sacred right -- a right, which we hope and belive, is to liberate the world