Now although I have only superficial understanding of the case at stake I believe the author nonetheless (but with a weak certainty until I hear the other side).
I could do with £70,000 - I'm suing you for your comment of making me jealous of £70k.
Trying to bankrupt them with defamation lawsuits does not help.
As a side note, my organization FFII eV was sued for defamation for criticizing patent trolling companies in the past:
https://edri.org/our-work/edrigramnumber3-16ffii/
My position was always to correct the statements, stick to the facts, and avoid wasting money on lawyers.
He goes from, 11 seconds is a big gap to, anything within 90 seconds could be the same person.
The real question is, how often did the timeouts coincide.
But honestly, anyone who ever spent any amount of time on IRC is used to seeing 50 people drop from a channel at once. That was usually due to netsplits, which isn't the case here since there was only one IRC server involved, but that wasn't the only cause. "Uh-oh, the IRC server got too laggy and couldn't service all requests within the configured timeout. Time to disconnect everyone!"
The article also shows that there's a 40 second delta between the harassing account and the harassed person himself, further semonstrating this doesn't mean anything and can happen purely by chance
