For anyone interested

This is the shell script it runs on Mac/Linux: https://github.com/corbindavenport/just-the-browser/blob/mai...

For FireFox it downloads this: https://github.com/corbindavenport/just-the-browser/blob/mai...

  {
    "policies": {
      "DisableFirefoxStudies": true,
      "DisableTelemetry": true,
      "DontCheckDefaultBrowser": true,
      "FirefoxHome": {
        "SponsoredStories": false,
        "SponsoredTopSites": false,
        "Stories": false
      },
      "GenerativeAI": {
        "Enabled": false
      },
      "SearchEngines": {
        "Remove": [
          "Perplexity"
        ]
      }
    }
  }