idk canada has 806 covid deaths per 1M and usa has 2573, it's not exactly screaming 'success story' to me.
For instance, per https://ourworldindata.org/grapher/total-covid-cases-deaths-... Canada has seen 66K cases per million and 807 deaths per 1M cumulatively. The US is at 180K and 2515. Slightly different numbers than yours, but close enough. Deaths/cases to date is very similar, 1.4% in US and 1.2% in Canada. So the difference in total deaths is largely policy and behavioral, the aggregate policy across the US has largely been one of "at this point we can't eradicate it so we need to live with it as best we can" where even the liberal US states remain quite open compared to initially in 2020 in the face of recent surges. Whether or not that's the right policy is separate from whether or not that policy would've even been realistic without as much health care capacity.
You still aren't engaging with the point under discussion, though, which has become publicized due to COVID but exists independently of it. Spending more on healthcare contributes to having an overall better health care system, but the US suffers due to large problems of access and distribution. Regardless of payment structure, I would argue in favor of continuing to spend more on health care than other nations; we have the money, it's a good use of it.