Custom game browser has being leaked by glitch!

Spotted yesterday in youtube some halo flight testers has found a glitch to breaking in Custom game browse making own LAN matches and playing modes what should not to be present yet while its not normally access able in flight on pc client. Is this kinda usage acceptable to misuse a flight? Trick was it need some button combo with keyboard and Xbox controller together to open Game browser menu and using its content without any restrictions. Developers probably knowing this glitch already… it just no one was mentioned least not that i know it. Hoping they blocking that access before flight 3 to avoiding further damage and leaks. Should this to be something to making a ticket to reach dev team better?