Focused preference no work for Latin American players (no search any players). Add server selector or an option to choose quality connection separate from the skill of the players.
Rainbow Six Siege: Server selector, Excelent netcode. Brazil servers
Titanfall: Server selector. Excellent netcode. Brazil servers
GOW UE: Server selector. Very good netcode. Brazil servers
GOW 4 Beta: Server selector. Good netcode. Mexican servers.
MCC: Host migration//error/crash/blue screen. Netcode WTF? Autoselect worst player/quitter for host.
Halo 5: no server selector (preference matchmaking option) Regular netcode, depending region autoselected