Keith has blocked me on Twitter, and I suspect I’m on a lot of blocklists. I follow a lot of space people, like Carolyn, but only engage them on space and science topics. I don’t argue non-space politics with space people, because many of them are leftist loons, which is why I maintain separate accounts for space stuff and the book.
Yes, we should be doing challenge trials, and let adults decide what they want to do with their bodies. As I noted in the book, how many potential lives might have been saved by being willing to risk ISS crew for medical research?