Custom game search with spectating options?

I don’t get why no one pushes for these things. Especially since so many people have their own opinion how halo should be. There are literally no bad side affects from this. New gametypes and maps would spread faster than ever, it would be a great way to host events like tournaments. Machnima directors and people who forge would have a much easier time finding help. Thats just me though what do you guys think for or against this idea?