The point is that according to basically all reputable sources, they didnt die on Tiananmen Square. They were ordered to leave the Square and did so. Then they were killed at other points in the city.

But of course, since the protests were on the Square and then the killings happened, most people simply condense it down to the inaccurate version of "killed at the square".

The Clearing the Square section recounts the timeline of the military entering the square and it being totally empty by 6am. I guess you could count the three soldiers killed by the crowd, but that's not what most people mean.

lol. Nicholas Kristof was in Beijing at the time, his contemporaneous article was critical of China and the CPC, but said "There is no massacre in Tiananmen Square, for example, although there is plenty of killing elsewhere." The original article is paywalled, but here is a 2004 interview where he repeats that no one died in the square, and sticks to his death toll estimate of 300-800.

The Chinese Red Cross deny saying that, so I mean insert your own conspiracy for that one. No idea who the Swiss Ambassador was at the time, the reference is to a book.