I agree with the headline because uptime was the goal of Erlang. Lightweight processes using message passing is how Erlang stays up (and perhaps ironically, le

I agree with the headline because uptime was the goal of Erlang. Lightweight processes using message passing is how Erlang stays up (and perhaps ironically, let-it-crash is how Erlang avoids going down). Lightweight processes and message passing are the architectural decisions that address the business problem Erlang was designed to solve.