That's because this is really a psychology experiment.
The people who want to slip in are either:
a) antisocial/shy/introverted
b) involved in covert activity

Neither of these leads to much discourse.

"Sometimes it's hard to tell the dancer from the dance."-Corwin in CoC
"When the only tool you have is a hammer everything starts to look like a
nail; When the only tool you have is a flaming sword every solution seems to involve slashing
and burning something." --Not Sure