When Draco was little, he had thought House-elves grew in Malfoy Manor.
House-elves only lived in ancient estates, castles, and places like that. It was common knowledge in the wizarding world; adults all said so, and so Draco, like many young wizards, believed it.
Children loved to imitate by nature. People often compared children to mirrors of adults. Some mirrors were merely mirrors, with no thoughts of their own, only reflecting what people did. Others, like magical artifacts such as the Mirror of Erised, possessed minds of their own.
Through constant exposure, many Slytherin children began to discriminate against Muggles and Muggle-born wizards, becoming as deeply entrenched in those beliefs as their parents.
Others were like Draco: he had no real concept of it. If someone had told him, "Hey, you can live peacefully with Muggles because there are too many of them, and there aren't enough wizards to win a fight," he would have pragmatically abandoned the idea of discriminating against Muggles and peacefully coexisted with them on the surface.
Draco was a spoiled little bastard, but he was not truly evil. At the very least, he was not as stubborn as his father or godfather.
Who would have thought it? Snape, who always caught students breaking school rules, handed out detentions, and deducted points, had skipped school in his youth too.
He had left too hastily and had not finished packing, leaving behind quite a few things, including an old Potions textbook that recorded his research from his school years. A House-elf had placed it in the cellar.
For the young Snape, following Voldemort could fulfill his ambitions, and Voldemort truly was a learned teacher.
Without his guidance, Pomona and the others would not have progressed so quickly.
The drunkard did have a name. His name was Lyall