I thought the point of basic income was that EVERYONE gets it? How can that be exploited? Some will get a basic income and choose not to work and continue to l

I thought the point of basic income was that EVERYONE gets it? How can that be exploited? Some will get a basic income and choose not to work and continue to live, others will choose to work (while also receiving the basis income) and will have a better lifestyle because of them choosing to work. Is this not how this work or am I wrong?