The latter. I think it's a sheepish admission that the bug (caused by unsafe C code) is a reason to prefer Rust's safety, which should help them prevent another one like it.
It is, the person presenting says so in the video.
The cloudflare bug was a memory safety issue in C code, which is basically the whole point of trust
Hah, could you imagine, someone saying they found a bug in a piece of Rust code? I haven't read the HN terms of service, but I'm guessing they you'd get banned pretty quick for something as egregious as that.