They've also funded startups in bids to try and make universal healthcare happen:

https://blog.ycombinator.com/yc-research-universal-healthcar...

Also, you shouldn't refer to universal healthcare/single-payer as a concept with "Medicare for All." Medicare for All is a compromised American policy proposal inferior to what most countries have had for years.

Medicare for All is the only meaningful proposal with mass support inside the Overton Window of American politics right now. I’d prefer a robust national healthcare service, but that’s not on the table.

Watsi is more akin to GoFundMe for care in the developing world, which, while admirable, has little to do with creating a universal healthcare system anywhere.

Even if politicians could agree to enact this tomorrow, it would take years to get up and running.

Sam is looking for projects that can help with the crisis that’s happening now and have a meaningful impact within weeks/few months.