I also get 1-3% cash back so the higher prices that everyone pays get to me in the form of a check every few months.
And smartphones are worse, some giving you the date and time that the phone call was made before playing the message.
That's not something specific to smartphones - that's something that comes from phone companies and voice mail (compared to answering machines of the past) in general. My smartphone has a voice mail app now that lets me just select the message and click "play" - a large improvement.
Basically, it's more due to us living in a safe country than the number of guns.
Person: "Officer, you may have my phone..."
Officer: *yoink* "Thank you for your cooperation"