regardless, text correction is a tool for the writer, not a tool for the reader. In general, text-correction does one of two things, it makes an error better, o

regardless, text correction is a tool for the writer, not a tool for the reader. In general, text-correction does one of two things, it makes an error better, or it makes an error worse, unless you can guarantee that it only does the first thing, you have no idea what the total value of the operation will be. Additionally, presumably its capacity to make an error better is not better than a human's capacity to make that error better. Even over very small timescales, tens of seconds, a computer confronted with a typo will never outperform a human confronted with the same typo.