Campaing coop/spartan ops issues

This may sound dumb af but i cant see the option to join public coop matches for campaigns and spartan op,i can only host them is there something wrong? Do i really need to host and invite random people just to play coop campaign?

Because there are no co-op lobbies and/or joining random people for co-op. If you want to play co-op online you’re either going to have to have a friend that’s down to play or come here or any other forum that has an MCC message board & find someone to play with. Or create an “Looking For Group” post on the XBOX itself. But as far as, like, setting up an in-game lobby & waiting for someone to join because they were searching for a co-op lobby that’s not a thing. I may be mistaken but I don’t think that’s ever been a feature in any HALO game.