They understand English. They just don't want to stop doing what they want to do. This is a quality that they share with everyone else on the planet by definition, but they think they're more important than other people.

There are angry people playing dominance games on one hand, and on the other people who simply don't care what anybody else wants and will do what they can get away with. There's no difference in intelligence between the two, but only the first type can actually be reasoned with. The second type will only pretend to be reasonable until the person that they're intimidated by leaves the room.

Everybody says "social cues," but as you said, the people who "don't get social cues" also don't seem to "get" direct requests or orders.