The inherent problem with creating a new browser/platform is getting people to create addons/extensions for it.
If you don’t think Google could do this, think again. Google has an iron grip on the Chromium project.
From the beginning of its time with Google, Android was touted as THE open-source phone operating system. The Android Open Source Project was used by several projects to create their own version of Android.
Then at a certain point, Google introduced an app called Google Play Services. This app is not open source and contains all of the stuff you need to access Google’s services.
In terms of interactivity, I need to look more into this bliz. I don’t know what it is capable of, but maybe some limited form of a comment section could be implemented
example of submitting a search: https://portal.mozz.us/gemini/gus.guru/search%3Flemmy
more on cgi: https://github.com/makeworld-the-better-one/gemlikes
OK, that seems interesting. Maybe Gemini could be capable of even more than I anticipated then. Will have to look into that.