You could have made that remark at some point in time about any open source technology that eventually got lots of enterprises to bet their infrastructure on it so by that standard Rust will do just fine. Of course there is no telling what the future holds for Rust and other novel pieces of open source code but I would not dismiss them out of hand this easily. See: Linux, Apache, PHP, Ruby, MySql, Postgres, GCC and tons of other very successful open source projects that at some date in the past were pre 1.0, fragile and buggy.