Ref: https://github.com/theforeman/foreman/pull/3576#issuecomment-22579167

Org delete behavior got recently changed to warn users with more information the confirmation box. Something like -> https://cloud.githubusercontent.com/assets/1069779/16100627/9fb44bcc-332d-11e6-8762-1f5503ba2a38.png

However as one of the PR comments indicated, it is preferable to have UI page showing what hosts will get dissociated when this org/location gets deleted.