This is like, a perfect example of how tricky charitable acts by the ruling class are. Take most of something then give back a small amount.
Seriously. This is what it looks like when conservatives say private charity will replace the social welfare state. The generous billions of dollars taken from the rich to spend protecting the poor and the environment will be replaced by a slight trickle of millions, given only at the pleasure of the rich.
$78,000 is .0039% of $2bil in case you were wondering
he gave back less than .01% of what he cut