The point of the stasi collaborators was to undermine the targets personal relationships and isolate them because of the fear that they might be an informant.
Publicly posting the behavior or unaffiliated parties is nothing like the stasi.
Publicly posting the behavior or unaffiliated parties is nothing like the stasi.
Interestingly, the contributors may also be profiling themselves as able to and willing to surveil fellow citizens, should the opportunity arise.
Random unpaid members of the public posting the most outrageous behavior they see is not a surveillance state. The chance that any one incident will be recorded is low.