Is the Mandela Effect Evidence Of Neural Compression in Long Term Memory?

What is 4 + 3 x 2? One set of people will believe it is 14, and another set will believe it is 10. Two answers, same reading. That shouldn't imply two universes. When you explain the accepted rules of the order of operation, you will be able to get similar answers, but those rules are not typically needed in day to day life, they fall out of usage, and as such, mistakes are made when they become necessary. You may be aware that there are rules, but you can't recall which apply and will have to fill in a lot with your imagination.