I suppose Google-Fi is still in it early, water-testing stages and they're trying to be careful not to imply that the new phones only work with Google-Fi. Still

I suppose Google-Fi is still in it early, water-testing stages and they're trying to be careful not to imply that the new phones only work with Google-Fi. Still, I'm ever wary of adopting an innovation from Google. I don't change carriers often and I'd prefer not to adopt Google-Fi, only to have it be shelved a year later.