These violent delights have violent ends
And in their triumph die, like fire and powder,
Which as they kiss consume:
–Friar Laurence, Romeo and Juliet II.vi.
Westworld comes to a conclusion that probably should end the series. Many questions remain unanswered, however, our possible extinction is obviously of interest to viewers, and the series has found an audience. Season Four will happen.
And they gave us a post-credit sequence that suggests the directions it might take.