Worried about my drinking habits. Is it worth quitting?

During drinking I've been blacking out, burning bridges, self-harming, mixing medications, and (shamefully) driving. I have attempted to quit in the past with the help of a 12 step program and obviously failed.

I just don't see the point of sobriety unless there is a true pathology of alcoholism and I have been stuck on the question of, "am I?" and/or "am I becoming one?" and/or "should I quit now or wait until it is painfully obvious?" for years now.

If there is any wisdom out there for me, please send it my way. Thank you.