Re: Because it's a lot easier than just doing the right thing
Yes, I got paid. A pittance. We are more or less on minimum wage. The cut we took was about 5%, and it was out of money they otherwise would not have received. So 95% of something is better than 0.
Someone has to do the work, and the team I had the honour to work with put in long and thankless hours to make sure we accounted for every penny. Authors were, in fact, grateful for this: they had no way of collecting money owed to them from libraries, European countries etc., and their publishers or agents weren't going to do this for them (or would have taken a massive % for it).
I am a published author myself and, although I never saw money through the agency I worked for, I would have been happy to have them ferreting out sources of revenue unknown to me and paying it to me regularly. Authors earn so little, and everybody is ready to steal, 'borrow', 'fair use' or otherwise releive them of the one source of income they have. A collecting agency is the least of their worries.