The title misses something more important: Firefox is and has been for a very long time the only browser who wasn't made by people trying to extract profit from you.
Everything follows from this. Edge people, Chrome people have been living in a fairytale for believing that the keepers of their portal to the web were offering a product as complex and expensive as a browser without asking for anything in return.
Anyone knows that any company that gives you something for free will eventually want something from you. You accepted a free browser from a for-profit entity and paid nothing. Now, Faust has come to collect your soul.
Everything follows from this. Edge people, Chrome people have been living in a fairytale for believing that the keepers of their portal to the web were offering a product as complex and expensive as a browser without asking for anything in return.
Anyone knows that any company that gives you something for free will eventually want something from you. You accepted a free browser from a for-profit entity and paid nothing. Now, Faust has come to collect your soul.