Earlier quoted context omitted.
You just ignored the armored vehicles and police station permanently setup at one end of the square? The facial recognition when you go through the scanners? The guards posted at vantage points with rifles? You were either paying no attention at all, or you are intentionally misrepresenting the situation.
> You just ignored the armored vehicles and police station permanently setup at one end of the square? Apparently yes, at least I can't find them on my pictures and don't remember them (but that doesn't mean they weren't there, human memories are notoriously unreliable). But I didn't took that many pictures either way, because it was slightly raining and not that interesting, I accidentally went when the forbidden ci…
Examining my own feelings on this matter further, I think I had a sense that the security at the Eiffel was very focused on keeping weapons and bombs out, while the focus at Tiananmen was more on controlling the crowd and tracking who was there. For example the police station and armored vehicles were inside the square. At the Eiffel the security was outside only.