They do work, it just has a delay. It's important to weaken a bad actor to reduce it's influence ( see: rubble to dollar since 2014, emigration, North Korea, ..

They do work, it just has a delay. It's important to weaken a bad actor to reduce it's influence ( see: rubble to dollar since 2014, emigration, North Korea, .... ) It only takes 3,5 % of the population to protest ( ymmv ) - https://www.bbc.com/future/article/20190513-it-only-takes-35-of-people-to-change-the-world https://www.bbc.com/future/article/20190513-it-only-takes-35... I'm not saying that it should still be applied to Cuba/Venezuela. I'm not saying there is no reason to either.