See the debate on how to infer RNA virus origins from phylogenies: https://mbio.asm.org/content/10/2/e00289-19 … and the response. Interested parties should definitely check out the original alignments (especially Data Set S2) herehttps://mbio.asm.org/content/9/6/e02329-18 …
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Reminds me of arguments we had in the early 90s on whether potyvirus 3' UTRs had enough phylogenetic signal to group the viruses. Far fewer sequences, far fewer tools back then - but we had fun
@adrianjgibbs1
“Back in the early 90s”. Fun times indeed. Didn’t have much to do with science back then on my part though 
