There are two problems with universal basic income: 1/ Many people think UBI is a great idea but everybody imagines something else. This makes discussing UBI very difficult. 2/ Regardless of what version of UBI you personally support, it is probably not a good idea to give money to those who don't need it. Sooner or later people will realize that what they really want is tax/benefit reform, not universal basic income…
It is an excellent idea to give money to people who don't need it. That's the whole point of UBI. There are some other good arguments in other replies, so I won't reiterate those, but add another: peace of mind. Suppose you make $50K and support a family on that. At that level you don't need UBI, but you don't have any buffer. You get a UBI cheque every month, but the increased taxes take away most of it. Now suppose…
How do you conclude that taking money away from those who worked for it and need it and giving it away to those who don't want it is a good idea?