What is Linda trying to say about Willy in this speech?

Then make Charley your father, Biff. You can't do that, can you? I don't say he's a great man. Willy Loman never made a lot of money. His name was never in the paper. He's not the finest character that ever lived. But he's a human being, and a terrible thing is happening to him. So attention must be paid. He's not to be allowed to fall into his grave like an old dog. Attention, attention must be finally paid to such a person. You called him crazy ---