The internet didn't go down and you're mischaracterizing it as a parsing issue when the list would've exceeded memory allocation limits. They didn't hardcode a fallback config for that case. What memory safety promise did Rust fail there exactly?

A panic in Rust is easier to diagnose and fix than some error or grabage data that was caused by an out of bounds access in some random place in the call stack

A service going down is a million times better than being exploited by an attacker. If this is a witch hunt then C is an actual witch.