Tracing term is kind of overloaded. In this article its used not as _distributed tracing_, but as _instrumenting_. E.g., Linux's trace points, or any other tool

Tracing term is kind of overloaded. In this article its used not as _distributed tracing_, but as _instrumenting_. E.g., Linux's trace points, or any other tools such dtrace, strace and so on. So it doesn't relate to systems design decisions.