I gave up long ago and started using insync. The only downside is that I don't feel comfortable a third-party company also have access to files, but besides this, the app is really nice, works just as expected.

+1 for the insync app. Google could have a Google Drive for Linux offering overnight by simply buying them.

well, they have one to use half a decade from now (2020), two more in reserve, and per your statement, they can make one per decade. Seems they are doing fine!