That's a good argument in favor of keeping time zones, but it's not why we have them.
The reason we have time zones is because people started keeping time long before fast travel and communication made it necessary to consider what time it was on the other side of the mountain, let alone the world. The reason we keep them is because the status quo is hard to change.
The reason we have time zones is because people started keeping time long before fast travel and communication made it necessary to consider what time it was on the other side of the mountain, let alone the world. The reason we keep them is because the status quo is hard to change.