Thanks!
Did Google ever write that they are actually discontinuing the older Chromecasts? I only see that they released a new device that does not have the name Chromecast.
A dude who took a similar picture also has some more pics where they removed the top layer of the RF circuit allowing you to look inside
https://electronupdate.blogspot.com/2018/08/espressif-esp32-teardown.html?m=1
500 even!