FYI if you want to edit the Firefox policies directly and save it in /etc/firefox/policies/policies.json, this is the file they are using
"policies": { "DisableFirefoxStudies": true, "DisableTelemetry": true, "DontCheckDefaultBrowser": true, "FirefoxHome": { "SponsoredStories": false, "SponsoredTopSites": false, "Stories": false }, "GenerativeAI": { "Enabled": false }, "SearchEngines": { "Remove": [ "Perplexity" ] } } }`
Certainly a more accurate descriptor.
FYI if you want to edit the Firefox policies directly and save it in /etc/firefox/policies/policies.json, this is the file they are using