Our parents did not write that you shouldn't use some app. There was a very specific claim about the Google/Apple approach and its usefulness for surveillance

Our parents did not write that you shouldn't use some app. There was a very specific claim about the Google/Apple approach and its usefulness for surveillance and someone objected by teasing a possible pathway for using proximity tracing for surveillance. One can acknowledge an approaches inherent risks without making absolute judgements about the approach in general.