I would like to confirm this one way or another. I believe that re-downloaders are not included based on those links: https://developer.apple.com/help/app-store-connect/view-app-analytics/view-product-page-optimization-results
https://developer.apple.com/help/app-store-connect/reference/reporting/app-metrics (Download metrics section).
In our apps 20-30% of downloads are from re-downloaders. Thank you!