For spreadsheets you pretty much need Excel or Calc (the LibreOffice equivalent). I'm not aware of any cloud based solution that comes close.
For text documents though I agree with you.
For text documents though I agree with you.
I'm not a power user, but I'd say Google Sheets are good enough for almost all of us. Google Write, not so much.
The only real deal-breaker level annoyance I've found with any of the Drive apps so far is that whatever Javascript the writer one is using eats up enough CPU power to drop my Macbook's battery life to about a quarter of what it normally is.