One case where I saw this was a friend who for some reason was being routed to game servers around the world when trying to connect to an Overwatch game, and a

One case where I saw this was a friend who for some reason was being routed to game servers around the world when trying to connect to an Overwatch game, and a much closer server with the VPN. Was this a bug in Overwatch? Almost certainly, but the VPN was an effective workaround.