If you want to and put some effort into it you can already get a "basic income" in my country. It's €1000 per month or so and at that level you also get other support on top. Plenty to have a 'basic' life.

There's always some that are "fine" with it and don't try or intentionally screw up the mandatory search for work. But in general everything you said simply doesn't happen.

People DO have an intrinsic need for exploring, learning and feeling useful.