After the way the Clintons were kicked around while they were in office by an irresponsible, highly partisan Republican congress I, for one, don't begrudge them lining their pockets with money from their many supporters. Ronald Reagan went to Japan shortly after he left office and was rewarded millions for a few days worth of speaking engagements by way of gratitude for his anti-protectionist policies.
And Sorcha,A. Lincoln had what I think is a pretty good answer to your query: "You can't dip clear water from a muddy stream." vl