Eh. If they exchange one lawyer's time for $3.5 million in donations that will be used for all their other causes, that's actually a pretty good deal. (Or at least would be if Heard paid up, which she apparently didn't.)
When you sell your soul to the devil? Don't be surprised when promises aren't kept or turn sour.
That phrase makes it sound like their actions represented an expenditure rather than a revenue generating operation.