With the breaking change (https://github.com/Bungie-net/api/issues/1506#issuecomment-906608103) of removing platform search functionality from the SearchDestinyPlayer endpoint it is only possible to search for players that have a BungieGlobalDisplayName - which is not "all players" as stated in that comment, but only those that have played in Season 15.
How does the breaking change described interfere with your app? Or, phrased differently, why does your app need to find Destiny players who haven't logged in for a few weeks?
With the breaking change (https://github.com/Bungie-net/api/issues/1506#issuecomment-906608103) of removing platform search functionality from the SearchDestinyPlayer endpoint it is only possible to search for players that have a BungieGlobalDisplayName - which is not
"all players"
as stated in that comment, but only those that have played in Season 15.