Anonymous Admin 03/12/2023 (Sun) 07:49 No.18419 del
There is a maximum amount of threads. It's the default. BOs can decrease it.
Imageboards weren't meant to be used as archives, and as opposed to regular forums threads are ephemeral by design. You could archive threads with some online tools, liek:
https://web.archive.org/save
https://archive.ph/