Beside the license thing mentioned, rust folks are obsessed with an idea of memory safety to an extent of discarding every other value in programming. To the extent of considering other choices "immoral". This manifests in their disproportionate initiatives of rewriting otherwise fine programs. Of course this doesn't include copious amounts of unsafe in popular libraries because can't leave any benchmarks defeated. But somehow Go is sinful because multiword data races are theoretically memory unsafe (a property which has led to zero (0) CVEs). This may also be the result of jealousy that something plebian like Go became more popular than their perfectly designed language.
Let's not mention other aspects of security, such as the recent supply chain issue, or the old story of the serde maintainer shipping a binary blob just because...