Why (if an alternative is feasible, as the basic income proponents would argue) _should_ people be forced by threat of destitution to "work" for a living? Why d

Why (if an alternative is feasible, as the basic income proponents would argue) _should_ people be forced by threat of destitution to "work" for a living? Why does it upset you that people might seek some increased freedom over how to spend their limited time? [There is, after all, a reason the term "wage slavery" came to be, extreme though the analogy it draws may be]