As this is a community forum supported by other users and community specialist's we don't know what plans Google has for the future, sorry. The best way of getting your thoughts, feedback or feature requests to the people that can make changes is by submitting feedback as detailed within the link below.
Thanks for that information Cathal_S.
TomL1 We don't have any news to share when viewing multiple cameras on the Google Nest Hub be supported. We're always looking for ways to improve and we'll take it as feedback. Just like Cathal_S. mentioned you can send feedback on your device or on the Google Home app using the link provided above.
Please let us know if you have any other questions or concerns as I will be locking this in 24 hours.