- Union strikes for non-safety related issues have to be made illegal. You don't get to strike for higher wages when there's a GBI.
- Hire/fire policies need to be made completely at-will, with pretty much no exceptions.
- The minimum wage has to be eliminated (generally won't matter, since the GBI will bring the wage of "bad jobs" up, rather than down.)
- The rest of the welfare system will likely need to be largely dismantled. The person answering the questions in the article seemed to conflate "public schooling" with welfare, which should be decoupled; things like schooling, health care, etc. should not be touched (and should not be considered welfare - they are regular public goods.) If the Swiss have things like TANF, Social Security, SNAP, WIC, etc. - those will probably need to go.
- Opt out. Any person who doesn't want to take the money (because they already have plenty) should be able to refuse it.
I'm glad to see a country starting to experiment with this, though. It's the only way forward in a world where the need for human labor is going down every day.