Legislating costly support for a free and accessible service is how that service stops being free and accessible.
This is something U.S.-Americans often do not (want to) understand. The misconception often is that just because their legislative efforts are an ineffective, lobby-ridden crapshoot, that the free market is automatically the best answer to everything.
You can affect really good and positive change through lawmaking, the entire point of it is to regulate and intervene when the wellbeing of the populous and fair competition is in jeopardy.
Same argument for the living wage.
Now they are this big, they have become quasi public record for many other organizations who rely on this data.
Since they want to keep costs low, if their data is wrong, it can have significant impacts on your life and getting someone to correct it is almost impossible.