The magnetic pole does wander, there is a great book titled "The Path of the Pole" that provides scientific evidence supporting this. Check it out!
You're also correct that the magnetic poles can swap, this is sure to cause massive problems, not only with tech, but in nature as migratory birds and other animals depend on this to find their way.
Lastly, and most concerning in my opinion is that Earth's crust "floats" on a liquid mantle, like an orange who's skin has separated from the fruit. If too much material builds up on one area its possible the skin could wobble as it's out of balance, then massively shift the heavy portion to the equator.
From Wikipedia: Charles Hapgood is now perhaps the best remembered early proponent. In his books The Earth's Shifting Crust (1958) (which includes a foreword by Albert Einstein)[12][13] and Path of the Pole (1970), Hapgood speculated that accumulated polar ice mass destabilizes Earth's rotation, causing crustal displacement but not disturbing Earth's axial orientation.
Thank you for the book suggestion bro. I will definitely write that book title down so I don’t forget to look it up
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