You made an assertion. If you are unable to provide supporting evidence, we can assume that your assertion is incorrect without needing to prove anything.

Advertising for a product isn’t a citation. That article literally just repeats Dyson’s own claims. Do you have anything that actually tests that claim?

The US ranks below many nations not considered developed as well. I’m not sure what point you’re trying to make.

I cited two metrics, not one: maternal mortality and life expectancy. The US is also in the bottom 60 for income inequality.

You made a claim first, so you should provide your citation first as well.

How is it better? Several people have pointed out that standards of living in the United States are well below most developed nations. There US ranks 48th in the world in life expectancy, and 66th in the world in maternal mortality, behind Egypt, Ukraine, Lebanon, Romania, and… the Gaza Strip.

They do not. For a given power input they produce less airflow at lower velocity than a regular fan. They’re a complete scam.