> What's more, several cell phone operators' plans include unlimited WhatsApp, but only a few GB of other data... meaning when your data limits are reached you can still use WhatsApp for the rest of the month, but not i.e. Signal or Telegram. That makes is rather hard to convince people to switch.
isn't this illegal? Portugal had such a problem, but i don't think anything happened since this: https://news.ycombinator.com/item?id=15905843