- I really read the above linked post differently than Google saying "just delete it."
Well, here is a video from Matt Cutts about thin content. In this particular video he's talking about websites, which already took hit for thin content, but in your case it's the same, since you're trying to prevent it
https://www.youtube.com/watch?v=w3-obcXkyA4&t=322
So, there are two options he is talking about: delete or make it better. From your previous responses I understand that making it better is not an option, so there is only one option left
As for link juice thorough those pages. If those pages have good amount of links, traffic and are quite popular on your website, then surely DON'T delete them, but rather make them better. However, I understood that those pages are not popular or have much traffic, so, option two