I have come out against universal basic income in the past. However, is the proposal above a better take on "basic income"?
I would start off by stating that the left wonks should get rid of the word "basic" from this proposal, whether "basic income" or "basic dividend." As already argued in 2017, "basic income" amounts detached from wealth funds would be inadequate (https://www.jacobinmag.com/2017/12/universal-basic-income-inequality-work). Furthermore, from the Jacobin article at the beginning:
It would also avoid fueling a push for “welfare reform” by starting small and rising over time — nobody could make the case that the dividend could immediately “replace” unemployment benefits or disability insurance.
Get rid of the word "basic" and twin the public / sovereign / solidarity wealth fund proposal with a job guarantee.