Then you have the crowd who have an inkling they may not be able to choose correctly between the nominative and objective versions of the pronouns and think they can circumvent it entirely by using the reflexive pronoun 'myself' instead. Doesn't work like that!

That said, 'me' has generally been crowding out 'I' for a long time in many circumstances. Who, me? Yes you! Me too...

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And there's such an easy way to get it right every time. Just eliminate the other subject in the sentence and use that to judge whether "me" or "I" should be used. The same answer applies when the other subject is included. Definitely a pet peeve of mine when this simple rule is not followed.

"I went to the store" has the same usage as "My wife and I went to the store".

"My mother gave me a present" is the same usage as "My mother gave my wife and me a present".

I first learned about the British spelling of words when I got a Commodore 64 (my first computer) for Christmas '83, along with an expansion cartridge called Simons' BASIC. It was named after a British programmer named David Simons. He added new commands for sprite and background handling, and one of them was COLOUR, which changed the background colo(u)r of the screen. I thought at first that he had made a mistake. I pronounced the word in my head as "coloor", and I still do whenever I see the "our" used, even though I know it's wrong*.

*Very close to that same topic, my brain still reads "Simonson" with a short I, even though I've known that that's incorrect for decades now. Honsestly, "Sih-mun-sun" sounds more nordic to me, so it just seemed natural.

But then again Mrs. Miller was the no nonsense teacher that taught us the sentence diagrams that demonstrated things like how there was an understood "you" at the beginning of the often used "f#@k you" statement that so many people misunderstood making it actually "you f#@k you" which meant "f#@k yourself".

This was all started as one day in class, a student had told another "f#@k you".  The other student responded "No thanks, I have taste."  Mrs. Miller stopped the outburst and forced us all to diagram the sentence showing the second students error.

Mrs. Miller was one of the best parts of my younger education.