Things that are currently underfunded could, with the availability of more funds, be less underfunded.
Obviously it's not just the nine billionaires that are "the problem", but inequality in general.
Is it really a funding issue? The same quote mentions that other bay area school districts were somehow able to afford narcan kits.
A high gini coefficient isn’t because of someone accumulating more wealth than everyone else, its because of low velocity of money movements in the economy
Fixing the speed of money movements solves the other problems and results in more people having wealth, or access to services. Note that its not completely arbitrary money movements, its into goods and services and investments. This has to be more attractive than passively holding money and assets, which is what most risk-averse people’s entire plan is.