You can't blame the community for being "toxic" when you're the one that spams the lobbies using hacks. And yes, you're not going to get unbanned, all you can do for now is wait for MCC PC.
SPOILER: If you hack on a MCC PC game, you may get banned from there too, and you will waste your money...
That's normal for a skilled banshee pilot. You can do all those tricks with mouse and a combination of boost and flips. Ofc they must be moving the mouse like crazy, it is hard but is possible with few practice.
intenta usando el "Xbox360Controller Emulator"
Te dejo un link
Se extrae los archivos dentro de la carpeta de Halo 2
Toca moverle a archivo "xbox360cemu.ini" para configurarlo. Y para probar los ajustes sin abrir el juego lo pruebas...