Yep, exactly. (Destiny)

by Blue_Blazer_NZ, Wellington, New Zealand, Sunday, September 14, 2014, 18:24 (3519 days ago) @ Cody Miller

There were notes, audio logs and excerpts from diaries scattered throughout TLoU's story. They all added further depth to the already epic story that was told, but they weren't required reading at all.

That's the difference. The Last of Us' story made sense, and was hugely gripping on its own. Those things just add flavor. I skipped most and did not feel like I was missing out on the main narrative at all.

With Destiny, I resorted to the Grimoire cards in the hopes of getting some understanding as to...everything. I admire the content in them for sure, but for the life of me I cannot understand what possessed Bungie to avoid including much of it in the in-game universe.