He doesn't know.  NO ONE SEEMS TO KNOW.  Nor does anyone care.  He does NOT love the country who made him wealthy (Uh, that would be the USA).  He is an idiot savant.

https://pjmedia.com/columns/kevindowneyjr/2023/09/09/tinfoil-haturday-why-is-bill-gates-buying-up-farmland-and-beer-companies-n1725688

And what he knows about farming you could put into a teaspoon.  He's a jackass.