There's no reaction to the finger. Alec is a fan of well-meaning rude gestures (or as well-meaning as they can be). It's like a tiny fuck you - a fuckita you - reserved for the person in the room who is currently the least intolerable. Incidentally, right now, Alec considers that to be Xanxus, so he won't bother to move or up the ante with a retaliation.

"Sometimes, it's about the style of getting drunk. There's nothing wrong with a little flash. I'd set fireworks off in the glass if it wouldn't burn off the alcohol." Alec stares at his drink. It would be something to see. Next time.

"No, it won't, but I'm not wasting my breath telling Luci that I think the whole thing is ridiculous. I'm only here to find out where and when and what - so that I can not be there then for that.