Havana Syndrome: Putting the Myth to Rest
realclearscience.com
realclearscience.com
Opinion is presented as fact that there is nothing to see...
At the opposite, recently there was reports of a strong suspicion of a Russian black ops related to that with a specific set of spies located at a right time in each location where it happened. Around 1000 observation of the Havana syndrome have been reported in different place and time. Even if we can easily assume that a part of the reports are not real Havana syndrome cases.
What about The Insider's "investigative report" (https://archive.is/KbT6t) or stuff like project PANDORA? I mean, it's not like the other side of the question is massively more trustworthy, but it's not just tabloid conjectures either...
In the end, like for 99% of all past and present events, the only sensible position is "I don't know".