Mastering algebra is also like doing push-ups. There's nothing about push-ups that you're going to need to know later in life or that you would have to employ in some way on a job. But the fact remains: push-ups make your body stronger. Algebra makes your brain stronger.
Like much of Williamsburg, over the last decade the look of Los Sures has seen dramatic changes. The demographic dominance that the Puerto Rican community once held is long gone due to mass displacement.