Mass adoption, mass monopoly, we can call it many things, but ultimately it's like letting the wolves guard the chickens, too risky. And it's an unnecessary risk, since we have many other tools to protect our assets. When all this goes down the line, I'd like to know how many people lose their private keys, how many scams are carried out, and how many people lose their money.
But as always happens in the digital world, many people prefer to press a button, rather than understanding and learning what happens internally when that button is pressed.
G00gle can keep its software, luckily, not everyone needs it.