It seems to be having a pretty damaging impact to the US alcohol industry. Not sure if that counts as effective to you but it is having impacts. https://www.ws

It seems to be having a pretty damaging impact to the US alcohol industry. Not sure if that counts as effective to you but it is having impacts. https://www.wsj.com/business/us-alcohol-industry-canada-boycott-71dbd1e0 https://www.wsj.com/business/us-alcohol-industry-canada-boyc... (Not paywalled) https://archive.is/r8Cxr https://archive.is/r8Cxr