Logging should be pretty.
Why pretty? Because humans like pretty things.
But logging should also be structured.
Why structured? For consistency... But also, take AWS CloudWatch for example. CloudWatch has some baked-in heuristic that parses say, Node.js logs, and auto detects key-value pairs if you’re logging JSON — both as literal object and as stringfied/serialized objects — and makes the fields available to query against.
Pictured above are the outputs for my TypeScript reimplementation of