
They did.
in 2021
https://www.cnn.com/2021/11/18/tech/elon-musk-world-hunger-wfp-donation
https://mashable.com/article/elon-musk-solve-world-hunger
except it was 1/6 of his worth (6.6b$) instead of half, and we he did nothing they left the plan public and called for wny other billionaires to do it.
And since you’re hearing about it here, guess who stepped up to do it?

I would assume it refers to lots of things, starting with this:
and then things like the corporate tax rate, capital gains, inheritance, lack of anti trust enforcement, reducing labor protections, deregulations, wide spread wage theft, regulatory capture, etc. etc.
Like , you can say 'what rules? ’ and there’s no one rule or set of rules that changed to enable a trillionaire, but there have been a plethora of systemic changes to favor those in power over time, and allow for more exploitation and less accountability.
That may or may not be what she’s referring to, but it’s how I take it.