I'd add the death of true bars with the lowering of B.A.C. levels and draconian enforcement. The kind of bar where you could smoke tobacco inside and smoke dope on the back porch and do a snoot in the bathroom. All the while true, down and dirty, blues or rock-and-roll drove the heart pump to sexual levels. Back in my day there was nothing like the smell of stale beer, the taste of shared tequila shots, a snoot in the bathroom, and sharing a joint on the porch that would drive two home to a one night stand. Which sometimes lead to a two or three weekend stand. Before it started with someone else all over again.
Oh, to be young again...