It served mostly US interests. Without the US, the NATO will be extremely weak. So weak that populists will say “Why are we spending so much money on our military budget to keep up with NATO standards and exercises if we don’t have a chance in case of an attack anyway? Why don’t we spend all that money on something better instead and just negotiate with [insert aggressor]?”. Just look at the political landscape of EU countries. Look at extremist parties left and right. They’re already trying to widen the cracks. It will only take a slight breeze to make the whole thing fall apart after the US left. The NATO is done.
It served mostly US interests. Without the US, the NATO will be extremely weak. So weak that populists will say “Why are we spending so much money on our military budget to keep up with NATO standards and exercises if we don’t have a chance in case of an attack anyway? Why don’t we spend all that money on something better instead and just negotiate with [insert aggressor]?”. Just look at the political landscape of EU countries. Look at extremist parties left and right. They’re already trying to widen the cracks. It will only take a slight breeze to make the whole thing fall apart after the US left. The NATO is done.