> Really it just calls into question why fifo is the mechanism for assigning priority for class registration and what better alternatives might be. There's onl

> Really it just calls into question why fifo is the mechanism for assigning priority for class registration and what better alternatives might be. There's only so many ways of assigning scarce resources to a number of participants. And none of them are perfect. FIFO is one. Lottery is another. Bidding money (auction) is another, where applicable. There are more complex schemes like ranked choice, but that becomes increasingly complex to implement, requires goods to be somewhat interchangeable, and also requires education (not everyone knows what ranked choice is, but everyone knows what 'first come first serve' means)