If you are using a public wifi and still on http, the wifi provider can see your passwords.

Https prevents ad injection.

Between search, gmail, YouTube, maps, Chrome and Android I don’t think Google needs help tracking anybody on the planet.

Even so, IPv6 privacy extensions more or less bring things up to par with NAT in terms of trackability.

I guess there could be some small benefit, but very few it applied to would be outside the Google dragnet to begin with.

This view I could endorse.