The issue here is that they've changed Old Reddit to require a login going forward.
> Version 3.0.0 has been rewritten from scratch to keep old Reddit working while logged out
https://github.com/tom-james-watson/old-reddit-redirect
> Version 3.0.0 has been rewritten from scratch to keep old Reddit working while logged out
https://github.com/tom-james-watson/old-reddit-redirect