Too much money was raised by CBF & Rimms' Calis event so it was decided to ask how best the surplus should be spent.
Liz101 posted to say that one of Stuart's passions was kids being able to hear, and the general opinion here was that it would be fitting for the extra to go towards hearing aids for kids.
So to answer the question, it was the decision of the people who raised the money in the first place.