ARG! Please ignore my previous comment.
You need to turn that flag ('ingest.reingest.force_on_same_marc') ON, not off. ALSO(!) you need to turn ON the 'ingest.disable_authority_auto_update' and 'ingest.disable_authority_linking' flags, to avoid updating bibs needlessly.
Sorry for the noise.
ARG! Please ignore my previous comment.
You need to turn that flag ('ingest. reingest. force_on_ same_marc' ) ON, not off. ALSO(!) you need to turn ON the 'ingest. disable_ authority_ auto_update' and 'ingest. disable_ authority_ linking' flags, to avoid updating bibs needlessly.
Sorry for the noise.