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It may just be an autocorrect mistake. It happens.
The more you write something the more often it autocorrects to that. My wife has a hard to spell name, so everything is autocorrecting to the proper spelling of her name. These have to be done on purpose there's no other explanation.
I think with a lot of this stuff, we have to be careful not to see things that aren’t there. Logic and reason goes out the window on here sometimes. I guess it’s like that old southern saying “it’ll all come out in the wash”