You may want to talk to folks who actually use national healthcare services. By and large they are happy with it. Instead you’re just repeating industry FUD https://www.npr.org/2020/10/19/925354134/frame-canada
As someone who has experience both the US system and a universal system, there are things you get in the US system (if you have insurance) that you won't get in other systems.
Can you elaborate?
https://www.commonwealthfund.org/publications/issue-briefs/2...