One can argue, but NBC has had a great fall so I doubt they regret their decision.
With This is Us bigger than Empire the last few weeks for the top network drama honors, and none of their scripted shows going below a 1.0, and having 2 of the 3 most acclaimed network shows this year with that & Good Place (along with Crazy Ex Girlfriend).
I love Sarah, but NBC would have not been the Tea for her (most of their shows get cancelled after 1 or 2 seasons, still pressed for that masterpiece of 'Hannibal').
Sarah needs to comeback on NETFLIX with a new season of 'Buffy'.