You know, I'm fine with this (just as long as the opt-in is one-time, not for every install). A device maker needs to balance the interests of many different groups, including nontechnical users subject to scams, and it's pretty self-centered to get self-righteously outraged when things get a little harder for power users, when those changes may save the butt of a lot of other people.

The only thing that gives me pause is this:

> Worse: this flow runs entirely through Google Play Services, not the Android OS. Google can change it, tighten it, or kill it at any time, with no OS update required and no consent needed. And as of today, it hasn't shipped in any beta, preview, or canary build. It exists only as a blog post and some mockups.