[CentOS] packaging :: why would a x86_64 package depend on i686 packages?

Thu Jan 30 09:17:31 UTC 2014
Adrian Sevcenco <Adrian.Sevcenco at cern.ch>

Hi! I recently encountered a situation when a x86_64 package is
dependent on i686 packages..
Does anyone with packaging experience know why this could be necessary?
What arguments (logical and technical) can i bring to the said packager
in order to stop this chain of dependencies?

Thanks!
Adrian