The language isn't changing along your suggested dimension of change. People have been misspelling homonyms since the beginning of the written word. Variance i

The language isn't changing along your suggested dimension of change. People have been misspelling homonyms since the beginning of the written word. Variance in homonym spelling decreases over time, though. "I'd of" is no more likely to supplant "I'd've" than "their" is "they're" - i.e. it's just a weak signal that someone is ignorant.