I guess I just see it as part of living somewhere. Every place has its own rules.

My travel style is so cheap I consider a free hotel pen a major souvenir.

Honestly, what if the rules aren't about order but about avoiding bad press?

That's a solid point from mark676. People forget those old systems are often air-gapped from the internet, which is a huge security plus. Sometimes old and boring is the safe play.

What did your old invoices look like that made them so confusing?