I'm pretty sure that Google being Google, they did exactly this kind of testing. Put 500k people in bucket 1, and 500k people in bucket 2, and see what happens

I'm pretty sure that Google being Google, they did exactly this kind of testing. Put 500k people in bucket 1, and 500k people in bucket 2, and see what happens. It's pretty obvious to me that the vast majority of times I see that correction message, that I've actually misspelt a word, and that it's pretty rare that I did actually want to search for "dictonary".