This feels our next big project. I don't where to go next, but here's the start - a placeholder.
What looks like related topics, for convenience/reference:
https://e621.net/forum_topics/39564?page=1#forum_post_371839 Request to start this thread.
Tag Implication: shota -> male
[REJECTED] Tag implication: shota -> younger_male Younger != young so this one got rejected
Straight_shota is aliased to, instead of implying shota Again, 'nope'.
Should ''loli'' and ''shota'' be used to tag ''rating:safe'' posts? Part of the point of the topic that started this one.
Hmm locked topic complaining about the blacklist. Nexxxxxxt!
Some weird hack related to CF keyword sandbagging. Meh, I think I'll go find the loli topics next. There don't seem to be much more useful ones for shota search.
Tag Implication: shota -> male
Change straight_shota -> young from Alias to Implication OK, rest of the results don't really look relevant to current situation for shota results.
Loli results:
Should Loli & etc. tags imply their associated gender?
Loli Tag Confusion By this point, it was clear that loli doesn't apply to ferals. Hmm.
Tag Implication: loli -> female
Loli and Shota redirected to Young?
Unalias suggestion: shota and loli
Removal of loli tag?
https://e621.net/forum_topics/9873?page=1#forum_post_165421 LOL, Lance Armstrong's reply.
https://e621.net/forum_topics/6902 Apparently, this is about when loli got added back as a tag.
Updated