There was a work around until very recently for that, the Netflix DVD service was still available and working. Giant library and barely any blackouts for shows.
If the trend of never releasing shows on physical media continues, we'll never get the chance to see something like netflix's DVD service again. Even public library systems will only be able to provide what was previously released on disk. Considering how public libraries are already pushing people to third party e-book services I wouldn't be surprised if they eventually stopped offering physical media to card holders too.