A little off topic, but where does this now commonly used phrase "lived experience" that lefties love to use so much come from. Doesn't the word "experience" c

A little off topic, but where does this now commonly used phrase "lived experience" that lefties love to use so much come from. Doesn't the word "experience" cover the idea? Is it to differentiate from their reading or television "experiences"? I think the redundant "lived" part is added for dramatic effect.