Children learn to speak naturally by hearing oral language. The same is not true for reading. The brain must repurpose existing structures as it learns to read.
Dyslexia is the most common learning disability. It is often misunderstood, and our schools are ill equipped to provide appropriate instruction for dyslexic students.
Without explicit and systematic phonics, many children won't ever learn to read very well.
Experts say, and the data shows, that some kids will learn to read despite the lack of effective instruction. Equity in education means that we do right by all children.