Look at that…

The program has a net positive effect. Why are so many people opposed to it?

Maybe because some don't want anyone to have opportunities. It's better for "business" - if more people remain somewhat oppressed, uneducated, and poor, then you have more ability to control them. 

https://www.businessinsider.com/immigrants-new-mexico-basic-income-for-housing-healthcare-ubi-gbi2024-5