Just like in Stalinist Russia, you were detained if you didn’t denounce anyone to authorities...they figured you must be against the government if you didn’t turn somebody else in.
yep ...
Sounds like North Korea, where if you do not cheer and applaud loud enough for the dictator, in his presence, you are subject to arrest, imprisonment and execution.
In Nazi Germany the approved greeting was “Heil Hitler” anyone who did not use that greeting was considered the enemy. This is how all totalitarians rule, they want your total devotion or else!