That is a loaded question anon, you need to understand that what you deem a worthwhile existence might look very different to other people.
Artists are typically introverted tinkerers that live out the majority of their lives inside the rich internal world of their own mind.
Extroverted people who are dependent on continuous interactions with others in order to further the narrative of their existence in a worthwhile direction
have a psychology that is an ill fit for the kind of temperament necessary to thrive in this type of endeavor where endless sessions spent in solitude is the key to success.
In short yes we have lives, but lives that are inaccessible to personality types lacking the quirks that drives us to do what we do.