There is more than one answer because at different sizes things behave differently.

https://www.lifespan.io/annual-reports/

It’s too bad the field has so much snake oil.

It seems like most countries are heading in the same direction with their own flavors of fascism. It’s also not that easy to get visas for decent places to live.

Another problem is abandonment. When the company goes under or the device becomes outdated and they no longer want to support it the device can’t be easily removed. If the device was fixing a disability, the person’s disability will be reinstated.

Pushpops had a cap but spit would drip down into the push area after a few licks.

I’ve found that small local gyms or martial art schools to be the most welcoming environments if you’re interested in those things and willing to put time into the practice. The people don’t really care about the preexisting societal structure as the school dictates it’s own and everyone is there for the same reason. There are still some shitty groups at predatory institutions so have to watch out for those.