Earlier quoted context omitted.
It Is also impossible not to get DDoS on the internet, you still would want people not to DDoS you.
You've moved the goalposts. DDoS is against the law. Connecting an anonymous account to a name after confirming it is them is not. It may be libelous if the connection is not factual, but if it is a fact then that's legal to print.
My point is that doing risky activities does not mean you cannot complain when things go wrong; you can both take responsability for your decision to partecipate in that risk and criticise the system for exposing partecipants to excessive risk.
In this case the criticism wasn't "the internet police should stop bad actors, but (hyperbole warning) "the most respected newspaper in the US should have higher standards than internet trolls"