I think this is definitely the case. For example, Halo Infinite is probably the last “classic” Halo game we’ll get in the sense of it has campaign and multiplayer, future games will probably just focus on either the campaign side of things or multiplayer. And some might even be public lobbies only, no custom games/forge.

As much as I wish we could get something as content complete as Halo 3 nowadays, it just doesn’t seem feasible anymore