As of a few minutes ago old.reddit.com now seems to requre logging in to access it.
Shame as it was still the best place to browse for info about some niche interests.
Edit: Seems like they might be testing the change as it is hit or miss at the moment.
Edit: Adding this to My flilters in uBlock Origin seems to fix the issue for the time being:
||reddit.com^$header=referer:
I don’t really have an interest in running a public board, and the reason I use(d) that subreddit was because I am also not interested in looking for the deals myself.
However, from another comment, redlib looks like a decent solution for the time being.