I still think this is the better way, generally speaking, above a ballot system. No system will ever be 100% fair and the current system does favour those who are better off (with access to better/more equipment) and those who are more IT savvy. And while these go against the so called "ethos" of the festival that is increasingly more just USP or commercial hook rather than an actual moral ambition (at least for the vast majority involved) it won't change until the festival is full of wealthy computer scientists or friends. A ballot also has things that can be done to weigh in others favour if they have the time/skills/resource
They just need to learn each year and try and improve, but first they probably need a reason to