You can just do whatever the modern equivalent of document.trackingPixel.src = 'leak all your data here in a single request', since extensions can modify conten

You can just do whatever the modern equivalent of document.trackingPixel.src = 'leak all your data here in a single request', since extensions can modify content blocking. Firefox should ask for, accept, and audit a statement of whether your extension needs to make dynamic network calls or not, and why it needs to do so. Yes, you could lie — but then you'd get caught lying, in violation of, kicked off the store, etc. Today, you can just add tracking, and no one can take any useful action as a result.