The problem is that even if you install one of those privacy-protecting keyboard apps, chances are that the person you are talking to on the other end is using

The problem is that even if you install one of those privacy-protecting keyboard apps, chances are that the person you are talking to on the other end is using the stock Google keyboard that sends what they type to Google. Even if only half of the conversation leaks that way, that is still a major blow to the privacy of both parties.