What the topic really changes
Choosing first name or last name sorting changes lookup speed, naming exceptions, and how natural the sign feels to the actual guest audience. The better system is the one your audience will search instinctively, not the one that feels cleaner to the designer in a draft file.
What better decisions improve
The right choice reduces entrance bottlenecks because guests instinctively know where to look instead of decoding the system in real time. A good lookup system feels invisible because guests find themselves quickly and staff never need to explain the alphabet rule twice.
What teams misunderstand first
Teams get stuck when they pick a sorting style from habit and ignore married names, bilingual guests, duplicate first names, or local naming customs. The topic usually gets weaker when it is treated as style rather than logic.
How Tablerix makes it operational
Tablerix makes it easier to inspect the real guest list for duplicates and naming edge cases before the sort order is committed to signage. That matters because guidance only becomes useful once the room can actually execute it.