I like this reason because you don't need to know anything about tech at all to be able to understand this. You also don't need to trust or like Snowden. If you

I like this reason because you don't need to know anything about tech at all to be able to understand this. You also don't need to trust or like Snowden. If you view Snowden as a hero or a traitor, it changes nothing. All you need to trust is that he's got no reason to lie about using Signal, and neither does Elon Musk.