"However, virologists agree that neither the disease nor the host range can be used to reliably ascertain virus novelty (or identity), since few genome changes may attenuate a deadly virus or cause a host switch. Likewise, we know that RNA viruses persist as a swarm of co-evolving closely related entities (variants of a defined sequence, haplotypes), known as quasispecies. Their genome sequence is a consensus snapshot of a constantly evolving cooperative population in vivo and may vary within a single infected person and over time in an outbreak"A common ancestor is not the same thing as the same virus. All nucleotide-bearing entities have a common ancestor if you look back far enough!
I can only provide what the current information states about the novelty of this virus. It's not a matter of opinion or argument. It's just a fact. It's a novel virus with a very recent common ancestor. It's not something to agree or disagree on, it's just not the same as SARS. The very link you posted contains this information.
Full study here:
Here
Sorry would have made that a shorter link but the byc update hates my phone.
Edit: link was broken. Fixed. You can download the full pdf as well
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