Trickle-down Largesse

luxury realm acts, activities or endeavors done in the name of charity, especially those done, as luxury-seeking activists claim, to “raise awareness” of selected charities or maladies, most especially where there is no direct contact or financial gain for the recipient

The billionaire's daughter took an around-the-world cruise to raise awareness of poverty stricken children in her home town, a prime example of trickle-down largesse.