Diverse critics may each plant one seed of doubt that together converts

Evidence

The bad news is: the chances of making a difference worth mentioning in a single discussion are slim, and there is no magic formula. The good news is: Many types of communication can have a positive effect under certain circumstances. Sometimes it is the very polyphony of critics that leads to someone sowing that one seed of doubt that finally provides the decisive impetus. — Holm Gero Hümmler, Ulrike Schiesser, Fact and Prejudice, 217

Categorization

• XREF: Echoes the ‘many small nudges’ model of persuasion and connects to the idea that redundancy of messengers, not one perfect argument, drives change.

Related

• People change their own minds; persuasion attempts play a small role (similarity 0.78)