I imagine that's a big part of the drive behind discontinuing Chromecast support..
https://www.androidcentral.com/streaming-tv/chromecast/netfl...
replies(3):
https://www.androidcentral.com/streaming-tv/chromecast/netfl...
This would mean if you have a new device and an old device in the same network the Netflix app might show only your old device! What?
Maybe I'm misunderstanding what they've done here?