JiffyPopTart
Bree-Yark
DMs guild isn't a publication by a team, its a collection of self produced content in an online webstore. If I created and published a supplement there I wouldn't expect it to be counted towards the pile of what the 5e team is producing. Yes, there are some items on DMs Guild that are produced by WotC, and I would add that to the piles of content we are weighing, but there are other excellent items like the Baldur's Gate book that are not.If we include Dungeon, then we would have to include DMsGuild material (which is about as vetted as the old magazines were, from what I have seen), which becomes absurd.
Just including B/X alongside the first half of 1E, though, 5E still comes out ahead in both rules content and adventure page count (because then we have to include all of the 5E boxed sets, for own thing).
The title of the thread is "D&D Team Productivity" not "Official Book Release Rate" The D&D team in the 80s was being productive by producing content for the game in the form of Dungon/Dragon. Now Dungeon is gone and Dragon is ... whatever it is, but its not game content. You can choose to discount it but that is choosing to discount what a lot of people spent time on during the production schedule that directly added to the game.