Why do we care about end-to-end encryption

Question

In the last few years phones and apps have been touting themselves as better than other phones/services because their messaging has end-to-end encryption, or some other variant of secure messaging. Why do we care?

Edit: Thanks for the answers, everyone!

In: 140

Answer 1

For the same reason you may wanna have a private conversation with someone in a different room, instead of yelling across the dinner table for everyone to hear