Yes, she did give bad advice to that mother, and was roundly criticised for that, including by me.
You should not be surprised that I left that out, because we were talking about her recent Facebook posting, that doesn't even mention homosexuality. If I were criticised in every post for things I said in other posts, I wouldn't want to post much.
We need to avoid the "slippery slope fallacy" whereby we avoid talking about relevant topic A, because we are afraid that it may lead to irrelevant or harmful topic B. Just because we don't want to discuss (and shouldn't) whether Jesus was begotten, not made, doesn't mean that we cannot discuss communion spoons (whose form have changed radically from the Early Church).
We do need to speak about spoons and autocephaly and the Church calendar because Orthodoxy looks a bit chaotic in the way that it is responding to a changing world. Leaving everything to oikonomia in practice means that we invite innovation, just what you seem to oppose.
And we need to speak about divorce, precisely because as you say it is a "huge issue". There is a heterogeneity of praxis in the Orthodox Church that is remarkable and maybe that needs to be corrected, but we can't do that if we cannot talk about it without being labelled a "modernist".