That there is no perfect defense. There is no protection. Being alive means being exposed; it’s the nature of life to be hazardous—it’s the stuff of living.
I think that ship has sailed; I can’t see this being a priority for Google and supporting this seems like a massive undertaking.
Not to be overly dramatic, but any initiatives from these major tech companies (doesn’t matter which one) should be treated with absolute skepticism.
I had a pretty decent self-hosted setup that was working locally. The whole project failed because I couldn’t set up a reverse proxy with nginx.
I am no pro, very far from it, but I am also somewhat Ok with linux and technical research. I just couldn’t get nginx and reverse proxies working and it wasn’t clear where to ask for help.