Yes, some of it is probably that, too, but I think there's a lot of genuine confusion about AO3 tags and people not understanding that they simply don't work the way that tumblr tags too. (One correct tag will get you where you need to be and the linking up is done manually, but people are v used to having to tag every ship six ways to get it in the tag.)
My own solution has been to not use any of the upper-level tags, only either the 2005 or 1963 tag.
That's the right way to do it! (I mean, insofar as there is a right way with AO3. Use all the relevant sub-tags that apply; it'll be in the meta-tags above without you doing anything anyway.)
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Date: 2019-03-24 10:38 am (UTC)My own solution has been to not use any of the upper-level tags, only either the 2005 or 1963 tag.
That's the right way to do it! (I mean, insofar as there is a right way with AO3. Use all the relevant sub-tags that apply; it'll be in the meta-tags above without you doing anything anyway.)