You do not need a license to listen. You need one to transmit — and the license is what turns a receiver into a two-way capability.
Communication that does not depend on infrastructure
Cellular and internet service depend on towers, power and backhaul. Amateur radio does not. After hurricanes, wildfires and long power outages, amateur operators routinely pass health and welfare traffic, staff shelters and link emergency operations centers when nothing else works.
Learning that transfers
Antennas, propagation, RF electronics, digital signal processing, networking and software all show up in amateur radio. Many engineers, technicians and pilots started with a Technician license in their teens.
Range, power and freedom
An unlicensed FRS radio is limited to two watts and a fixed antenna. A Technician licensee can run 1,500 watts on parts of the amateur bands, use any antenna they can safely erect, and build the equipment themselves.
Community
Clubs, weekly nets, field events, contests, public service and mentoring ("Elmering") are the part most operators say kept them in. A license is also the entry ticket to NARA membership and programs.
Cost
The exam fee is typically $15 to a Volunteer Examiner team, plus a $35 FCC application fee. A usable handheld radio starts around $30. That is the whole barrier.