This shit has seriously gone on too long. People who continue to cling to the "10,000 dead crushed by tanks hosed i to the gutter" bs are cranks. It's jews control the banks, chemtrails, the earth is flat, the moon isn't real level of crank shit and unless you're feeling very indulgent and someone is asking in good faith it can be dismissed as equally serious to that kind of crank shit.
two good articles on it
The Tian’anmen Square ‘Massacre’: The West’s Most Persuasive, Most Pervasive Lie. | Mango Press
Another View of Tiananmen | Red Sails