It's a question of pros and cons. US failed Ukraine and Kurds, but might be effective at protecting Taiwan. However, when you compare this with downsides - fr

It's a question of pros and cons. US failed Ukraine and Kurds, but might be effective at protecting Taiwan. However, when you compare this with downsides - from one million killed on Middle East to problems with basic necessities like medical care in US, to god knows how many civilians dead because of economic sanctions, to multiple countries destabilised and democracies toppled to protect US interests - it's clearly doing more bad than good.