https://github.com/theforeman/foreman_rh_cloud/blob/f16edeba98c36713c5d48226d83342404f09a90b/lib/foreman_inventory_upload/generators/fact_helpers.rb#L70

^ this is the logic that needs to be changed.

1. obfuscate first
2. if obfuscation is off, use host.fqdn
3. ignore `insights_client::hostname` fact completely? (or maybe a fallback but idk when we'd ever need that)