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The current article seems to suggest X-ray is not useful for nucleic acid structure determination. However, it has made a lot of important contributions.
More details should be given about its meaningful contribution. Even structures with a binding-protein included are important.
A meaningful way of comparing methods would be to get a graph of PDB structure like the one in protein structure determination (link)
Pretty sure that Rosalind Franklin's work on DNA double helix structure with X-ray is worth a mention here.