This is funny coming from a Baptist theologian and biblical scholar:
If I’m called to preach the gospel among a lot of people who are cultural teetotallers, I’ll give up alcohol for the sake of the gospel. But if they start saying, “You cannot be a Christian and drink alcohol,” I’ll reply, “Pass the port” or “I’ll think I’ll have a glass of Beaujolais with my meal.”
For context and explanation, see the whole quote. It's just funny seeing this from a committed Baptist like Carson, but then again there's only been one time I've seen anything in Carson's writings that I disagree with, and I've read a lot of Carson. In that case he did get it about as wrong as it could be gotten, but it really is the only time I remember thinking that something Carson was writing was surely wrong. (There have been things he's defended that I've had no view on, but that doesn't count as disagreeing with him. There have also been times he's said things I disagreed with, until I finished seeing his arguments, and then I was convinced. But I don't remain in disagreement with him in such cases.)
But there aren't that many Baptists, even Reformed Baptists, with absolutely no qualms about the fundamental morality of drinking alcohol. I'm a complete teetotaler myself, but my reasons for not drinking alcohol have nothing to do with thinking it's wrong to do so. I just think it smells so unappetizing that I've never wanted even to taste it, and so it isn't very tempting to try to develop a taste for something that, given my hypoglycemia, would be extremely unhealthy to drink regularly. I do find myself regularly purchasing 12-packs of Saranac or Sam Adams, however, because someone in the family does happen to have a fondness for those particular beers. I don't think I'd pull one out and start drinking it if I encountered someone claiming that not drinking was essential to being a Christian, but maybe I could pull one out and hand it to someone who would drink it.