No, these are books that aren't online, which means not only are they not contributing to the commons, they are irrevocably salting the earth (irrevocably because let's be honest, anything going into their archives isn't coming out without legal or actual violence)

Also, permitted or no, they are definitely torrenting. I would be deeply surprised if they hadn't already leeched every torrent on public trackers. The only reason they (probably) haven't depleted all the private trackers too is that they would be required to actually contribute back, which as above is never going to happen.