You are presuming it was an automatic replacement. Some still type entire words via a thing called a keyboard, on a computer, others manually pick words to finish, from suggestions, not automatically.

Beyond that, google searches are not indicative of current usage, in SMS/messages, emails, etc. Google search spans all webpages, and many text pre-web too.

Yes, the comment I replied to with the numbers says "No room for auto-correct?". Autocorrect is the topic of this subthread.