I am open-minded to your points and hope to see the use cases where Rust shines. Per my prior reply to arielb1, maybe iterators were not such a great idea, yet they are well matched to the low-control over resource conflicts, so I think that could possibly serve as an example of:
I don't know if a well designed GC functional programming language could displace the C++ lineage entirely. I am giving it some thought. And I don't claim to be omniscient. The community collectively knows more than any one of us.