I've noted this on the User talk:Reinheitsgebot page, but Quickstatements bot seems to be doing the same thing, and more recently - example: this edit somehow mixed up "Oscar H Franco" with Franco Giulianini???
Topic on User talk:Magnus Manske
I believe that code is no longer active.
Do you know when it was changed? This edit by Quickstatementsbot is from September 11...
Here's a worse problem also from September 11 - Replaced 2 author name strings with unrelated authors that have only very partial name matches.