Witness majority for minor version (ie. non-HF) doesn't matter at all.
It's not even a coincidence, it's just irrelevant.
"definitive guide on running an exchange node" was just to show how easily an average teenage minecraft player can setup Steem exchange node.
Pro like Poloniex with 25M+ worth of assets should know what they are doing without ELI5 guide.
For all we know, someone at Poloniex was checking this page every 24 hours:
https://steemd.com/fales
And when they saw 0.19.2, they opened the wallets.
Yeah gtg our running theory is perhaps someone at polo was looking for a version change before they bothered attempting to re-open withdrawals, and they were affected by the p2p bug.
That's a very interesting theory.
is that nate?
yes sir