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Sure you can spawn threads but now you have all the hazards of shared memory and locks, giving the 2.0 version of aliasing errors and use-after-free bugs. Also, those are POSIX threads, which are quite heavyweight compared to the in-process multitasking of Golang etc. So I would say that’s not really an answer.
Go routines are certainly special and hard to match, but rust has all the normal abstractions of a language like C, just with a borrow checker so you can avoid memory leaks, write after read, etc.
What exactly are the hazards of shared memory and locks? The ownership system and the borrow checker do a pretty good job at enforcing correct usage, and if you are clever you can even guarantee no deadlocks (talk at rustconf 2024 about the fuchsia network stack).