I didn't think the article emphasized so much that coralline is bad. The only issue, is that it could "fill in" some of the pores and decrease some of the denitrifying ability of the rock. For the most part however, the issue the article brings up is just common sense that , for some reason, seems to elude many in this hobby. Curing LR kills off most of the beneficial organisms and leaves you with overpriced colorful rock... This is why I just buy baserock or LR from established tank locally where no curring is required.
However, that being said. I think the idea about the organisms being required, to move water, for denitrification is debatable. And if so, most leave spores and will pop up eventually even if not there now. Eventually live rock will be alive (and so will base rock)
