Did no one in the future teach their children to speak properly? Albus was the worst of the lot in terms of eloquence, but none of the next-generation children knew how to comport themselves. The exception might be the older Potter boy, but Lucius was withholding judgment on that. He had to fight the urge to tell the boy to speak up, stand straight, and make eye contact.
"I imagine much the same as anyone else. It's an adjustment, but one that must be made." There were few other choices, though Lucius had his reservations on the direction this new world was taking. However, he knew how to make any situation work to his advantage, and that's what he needed to do here. "Tell me about yourself. About my grandson. I regret that I do not know much about him, and would enjoy hearing about him."