The guestlist report is more detailed than the sales report for knowing options people have provided during check-in information, and being a row per guest rather than a row per booking more useful when you need to know information per guest. Adding the check-in, arrival or start date (depending on experience type) allows this report to be used over the sales report for daily management of guest arrivals.
Additionally adding a filter to be able to focus on today's or a date range's arrivals means the report wouldn't need downloading and manipulating off platform.