How does mrs. Dilber justify taking Scroge's things after he is dead?

Mrs. Dilber said a dead man can't use his worldly things. She also says that if Scrooge had been a nicer man, he might have had someone to leave his things to,

If he wanted to keep them after he was dead, a wicked old screw," pursued the woman, "why wasn't he natural in his lifetime? If he had been, he'd have had somebody to look after him when he was struck with Death, instead of lying gasping out his last there, alone by himself."