If you measure the polarity in the bed rock on the Atlantic Ocean, you will see “polarity” shift on a fairly regular basis.
Now crust displacement is another story. Reading the original book about that, the sudden displacement of the crust would literally be like riding the crest of a wave of earth, several miles high, moving at 300 miles an hour.
That is not a ride I would like to take.
Aw c’mon man!
It would be like a E Ticket roller-coaster, with the possibility of dying!
Come on you old fogey! I’ll show you a few new [crustal] wrinkles!