Google has repeatedly, across all of their recent product launches, failed to properly address privacy and security concerns.
“Don’t be evil” doesn’t cut it.
On top of that, there’s a larger issue at hand which has not been properly addressed. There is a difference between network content and desktop content. There is a security/privacy difference (who do I want to see this?), a latency difference (how long does it take to see this?), and a control difference (will I always be able to see this, in this form?), at the very least. Treating network content and desktop content as the same thing is a leaky abstraction at best. Blurring the line without properly addressing these differences is an invitation to disaster. But sure, it’s easier than teaching people what the differences are.