To add to your point, albeit from memory, I read here some time ago on the topic of losing the diaper at 12 months, and one technique discussed was to introduce

To add to your point, albeit from memory, I read here some time ago on the topic of losing the diaper at 12 months, and one technique discussed was to introduce hand signals, as communication ability of kids comes /way/ earlier than the mouth coordination required to talk. So it stands to reason that if you don’t require the kid to read /aloud/, reading as pattern recognition can come earlier.