They already did a big wooly mammoth meatball, so you’re not alone there.

https://www.smithsonianmag.com/smart-news/this-massive-meatball-was-made-with-woolly-mammoth-dna-180981908/

Maybe if we can’t figure out spoiler tags, new posts could be marked as ‘spoilers ok’ or ‘spoiler-free’ and then the enforcement would be based on what the post is marked? I’ve seen a few fandom subreddits work like that.