I've noticed what I will call inconsistencies with some of Google's free products.

I see see space taken up in my drive account by pictures but I can't find them in my Google pictures, drive, hangouts, Picasa Web albums, nowhere.

I also see things via the drive API that were shared with me long ago, but which I can't access (or remove) via the web interface.

These don't give me confidence in the overall infrastructure.

Has anyone noticed anything similarly disconcerting about their cloud services? Or are those more stable?

I'd like to migrate some work to them but I'm justifiably uneasy about what quality to expect. Are things more solid in the paid space?