Basic Income is Utopianism. It's appeal is a populist reaction to the uncertain times we live in. No different from rightwing populism such as Trump.
The other problem is its association with Socialism, which has been democratically rejected by the vast majority of countries.
So it really doesn't have much going for it.
The loudest advocates say that we must do something because technology will eat all the jobs, but that is just modern Ludditism.