It's not really a controversial point, that limiting alcohol limits certain undesirable behaviors. Every bar I've ever heard of allows and usually requires bartenders to cut people off. Almost every locality has restrictions on where and when you can buy alcohol, where you can consume it, etc. The more interesting question is whether we think that the positive social effects of alcohol itself and/or people's freedom to drink (or "individual responsibility" to quote the first sentence of the author's institute's mission statement) are sufficient positives to offset the negatives. (And which political forces see themselves as having a stake in influencing that conversation).