I had a feeling you might be the nominator, 'cos when I Googled to try and educate myself beyond "Gundam + AO3 tags =!??!%@#???" I found your meta essay and saw that it's tagged the same way. (I didn't realise quite how long it had been going on until I read that ...)

At least the sensible versions are synned, so they're not stuck in Uncategorized at this stage, I guess? Though I realise come reveals that's not going to help in terms of people browsing the Fandoms view.