Generic video doorbell integration?

Inspired by how Valetudo installs webserver in the original firmware, and changed the local hosts file to ensure my vacuum is not talking to China, but to local software, I have a question:
Is there anybody here working on hacking generic low cost video doorbells to avoid chinese servers ? And possible get live access to the doorbell camera feed ?

It would consist of relative few steps:

  1. Log all DNS requests
  2. Let local DNS server answer with IP address of Fiddler - MitM certificat is likely possible.
  3. Log all traffic
  4. Make sense of traffic, generate a fake server to answer the requests as expected and put it in a docker container so it can be installed through supervisor.
  5. Change local DNS server to point the DNS lookups to local server.

2-way talk to phone app would have to come later. Would also need new app - unless HomeAssistant app would accept this as extra feature.