I would have thought that the Great Firewall of China would be a more obvious thing to be reminded of. Especially since there is no world war currently, yet, at least, and communication might help stop one.
If X/Twitter was to be banned in the EU, and some of its citizens still wanted to access X/Twitter, let us say for the sake of getting alternative points of view on politics and news, would it be a good or a bad thing if accessing X/Twitter by IP was stopped?
As in, a citizen of an EU country types x.com/CNN, because he or she wants to know the other side of some political issue between the EU and the USA, and he or she feels that the news in the EU might be biased or have misunderstood something. Would it be good or bad if the user was met with a "This website is by law not available within the EU"?
Does your country allow suing him for a large monetary amount? Have you talked to the media? A lawyer? Maybe together with others? Made it as easy as possible for the police to get him, paper trail, receipts and all?
You do have points, though, but there might at least be some actions that you and others can take in this case. Maybe a medium change like changing the law on this specific point might make sense.
There can be "cynical greedy bastards" in many places. If you optimize against them in one regard and place, will you also handle them elsewhere well? And calling for change can be abused by some of them to open new opportunities for exploitation, this time benefitting some different group of them.
You need to have an alternative, and it needs to be a credible and reliable one, to ensure that it does not end up being the case that one scam is replaced with another scam.
I think you have good arguments, but I wonder if there are alternatives that could work in at least some cases. Like, how Unreal engine's license works. Source-available to game developers, but in theory limited to paying customers, or something along those lines.
But do bitwise copies when moving not also possibly incur that, even without Copy? If the optimizer doesn't optimize it away? Since movement can happen by copying bits and releasing the old bits, as long as there is no UnsafeCell in the type, or something along those lines?
A change in economic system might be neither sufficient nor necessary, especially if the new economic system turns out to be even worse, or a scam.
One approach is to have expectations to not only the economic system, but also other systems, and the different people involved, no matter if they're on the top, on the bottom, or somewhere in the middle.
It has a more lax license AFAIK. Also, many Rust projects and libraries have been abandoned, or are in so-so shapes.
Edit:
To specify, new projects like sudo-rs may seem promising, but going by observation and experience with similar projects, there is no guarantee that sudo-rs and similar projects will be successful, good and continued to be maintained. The problems with old projects can end up applying to new projects as well. And projects in Rust are no exception, going by experience with existing, older Rust projects.
Aside, a pet peeve I have is that for instance Ruffle has not turned out as successful as I had hoped for, even after several years and many sponsors. The proprietary Flash runtimes written in C still outperform Ruffle greatly in some cases, causing problems for some users that want to use Ruffle instead of other runtimes.
What if the exploitative aspect is open source itself? Trick some above average but naive developers into giving their talent, effort, insights and time away for free or very little? Maybe open source or something similar could have been organized in a way that wasn't exploitative and wasn't (possibly) unsustainable, but that is not how things ended up with what Richard Stallman and others organized.