> I'm not sure which outcome is better for Canada, the USA, or the world. I'm pretty sure neither Obama, Trump, not Biden had any accurate idea either.

> Or because you think any of those politicians actually have a solid, fundamental analysis including unintentional consequences? Get real, they did it for political reasons, that's why they came out on different sides of the issue based on party lines.

Or maybe Obama, Trump, and Biden had different ideas about what "better for the USA" meant that led to them making reasonably rational but different decisions? Maybe, maybe not. But I'm not sure your assumption that all three of those presidents have a worse understanding of this issue than you do is justified.