You have discovered what many of us have been discovering to our surprise since September 2021: Google Nest decided that its new cameras and doorbells would work ONLY in the Google Home app and NOT in the Google Nest app or on the home.nest.com website.
Google Nest has released a beta "preview" website, home.google.com, that livestreams ALL of our cameras, with a promise of future functionality. And there is an upcoming update to the Google Home app:
@arturoM thanks for posting here. The new Nest cameras and doorbell are exclusive to the home app because we wanted to create an integrated experience with your speakers and displays. To view the stream on your computer, go to https://goo.gle/2UZL8VI. As of now you cannot view your video history on the web but you can still view it in the Google Home app. A Nest Aware subscription applies to all of your cameras, speakers, and displays in the same home structure. Let us know if you have more questions in mind.
I appreciate the help, MplsCustomer.