IMO the achilles heel of "Web"DAV is that there doesn't seem to be an easy way to add it to web apps, which precludes using it as a remote file system a la Goog

IMO the achilles heel of "Web"DAV is that there doesn't seem to be an easy way to add it to web apps, which precludes using it as a remote file system a la Google Drive. I'm assuming this is because browsers won't let you make PROPFIND et al requests, but I haven't actually tested that.