They're cheap, poor-fidelity, horrible propagation radios with handfuls of bugs (the one I bought years ago has a lot of trouble with frequency bleed).
@emr@anthonyg If you have the mindset of being prepared for emergencies, or just WANT to listen in... absolutely.
Perhaps you will find that this sparks your passion and motivates you to get licensed? Or maybe it's just collects dust in a drawer. At $20... it's a pretty safe gamble.