The warehouse workers worked for it, just like the founder. The distribution of profits between the two isn't a natural law. It's the outcome of a particular regulatory environment that the very wealthy have created over the last half century.

As for how you're paying for the wealthy, there are many ways. You're paying for the US government to negotiate with other countries to change their local laws either directly or via treaties to create a similar regulatory environment globally. You're also paying for externalities, like what happens with a fly ash lake or manure lagoon overflows, or the consequences of air pollution.