There are a lot of natural disasters we won’t be able to prevent (e.g., supervolcano explosions, or a nearby gamma-ray burst). But this is something that we could, if we were willing to devote more resources to it. And it wouldn’t take a lot more. In fact, it could be done for a lot less than we’re wasting on SLS/Orion.
I agree that neurosuspension is better than nothing, but I disagree that whole body is for suckers. This is a topic that’s been going on for years in cryonics discussions.
We simply don’t know how much of our identity is in our body, as opposed to simply our brains. For instance, I suspect that there is a lot of distributed motor intelligence in athletes and musicians — when I play an instrument (or for that matter, simply type on a keyboard) I have a sense that my hands aren’t being directly controlled by the brain, but are rather receiving higher-level commands issued by the brain that are implemented at a lower level, based on local memory. I don’t know that to be the case, but if you can afford to keep the whole body, it might end up being worth not having to reacquire old skills.
I’ve been pointing out all of the nonsensical, engineering-illiterate praise for SLS on Twitter. “Most powerful,” “fastest” etc. I loved this one today: