If it's a matter of misdirection rather than them going for Volo on Seer grounds, then it might be because there's something in Volo's posts which can send us on a wild goose chase, because they just want to cause general confusion, or because they really, really want us to forget about some line of reasoning that we were on yesterDay, and they thought killing Volo would work best at distracting us.
(And now I really will leave for a few hours.)
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