SPOILERS FOR CHAPTER 4 ---- Sawyer section ending

So he's just dead? All that hype, all that motive, just.. For that? Yarnaby's underwhelming death too? Like??

Surely Sawyer isn't dead for real, it just feels like every thing with him moved WAY too fast. I don't mean this as copium but seriously what was that entire segment for just to kill him within 15-25 minutes of meeting him