You can only confiscate the wealth that exists at a given moment. You cannot confiscate future wealth - and that future wealth is less likely to be produced when people see that it is going to be confiscated.
Despite a voluminous and often fervent literature on "income distribution," the cold fact is that most income is not distributed: It is earned.
There are no dead-end jobs. There are no dead-end jobs. There are only dead-end people. Our current social philosophy, and the welfare state apparatus based on it, are creating more dead-end people.
Economics is a study of cause-and-effect relationships in an economy. It's purpose is to discern the consequences of various ways of allocating resources which have alternative uses. It has nothing to say about philosophy or values, anymore than it has to say about music or literature.