This page might be interesting: https://en.wikipedia.org/wiki/Conflict-of-interest_editing_on_Wikipedia https://en.wikipedia.org/wiki/Conflict-of-interest_editi

This page might be interesting: https://en.wikipedia.org/wiki/Conflict-of-interest_editing_on_Wikipedia https://en.wikipedia.org/wiki/Conflict-of-interest_editing_o... It lists several cases that have been discovered of accounts editing Wikipedia for PR purposes or similar.