https://zhuanlan.zhihu.com/p/91762838
-This site looks to be offline now.
"This is running into people that are acting very unusual, or people that are putting on a show or production, known as street theater. Eg. This could be as minor as public rudeness, or people acting out a harassment skit. There will usually be someone nearby to see how you react to it. This is again looking for weakness or reactions. I f you show an adverse reaction, they will try to embellish on this and use it against you later on. Street Theater is Harassment skits done by strangers and neighbors who have been ‘recruited’
into these Stalking and Harassment groups."