The economic impact to the attendant ('observer travelling with the goods') is not diminished by his own experience of the passage of time, but is affected by the reduction in his own ability to take on other tasks during the same [external] time frame.
In other words, it doesn't matter that he experienced the travel as five minutes. What matters is that his options were limited for five days.
The economic impact to the attendant ('observer travelling with the goods') is not diminished by his own experience of the passage of time, but is affected by the reduction in his own ability to take on other tasks during the same [external] time frame.
In other words, it doesn't matter that he experienced the travel as five minutes. What matters is that his options were limited for five days.