I doubt it, for native speakers, at least. There is a great deal of language which children intuit, and English is taught to native speakers both in ways which assume this (by the time a child is in elementary school, he or she knows that a gardener is one who gardens, and a rower is one who rows), and in ways which don't use references to obscure professional jargon. Children are not taught about "affixes" when they learn, for example, comparatives of adjectives--light, lighter and lightest follow a rule and employ those "affixes," but bad, worse and worst don't follow that rule, nor use those "affixes."
These kinds of things will be important to non-native speakers of English, and the more so if their native language is not of a European origin. I personally would consider them worse than useless for a native English speaking child in elementary school. For such a child they would be obscure and confusing.