Yes, Google deserves to be distrusted and avoided as a whole, but Google Scholar is a genuinely net good for humanity.
replies(3):
- Google Search
- YouTube (more debateable, but I think it's a marvel)
- Google Books
- ChromeBooks
- Android
- Google Calendar
- Google Earth
- Google Drive
- Google Docs
- Waze
- Android Auto
- Google Pay
- Kubernetes
- Go
- VP8 / VP9
I'd rather take all those products than leave them.
The only one I would take from your list would be Kubernetes and Google Earth, and Kubernetes being more of a dev tool would really count as far as impact and usefulness to society (Go would fit there).
Google Books _could_ have been great, but Google didn't take care of it. Same with Google Reader.