Rust is mostly safety
"Our engineering discipline has this dirty secret, but it is not so secret anymore: every day the world stumbles forward on creaky, malfunctioning, vulnerable, error-prone systems software and every day the toll in human misery increases. Billions of dollars, countless lives lost."Billions of dollars and countless lives lost?  I'm not saying that buffer overruns aren't a thing but this seems like marketing claims without substance.  Yes, I read through the examples below, still think he's overstating it.