In Nominative^x, Clauses^x, Dialects^x

MrPedantic wrote: What are we to make of the fact that adult native speakers often "self-prescriptivise"? Example: "Oh, hello, MrP. MissQ was just telling Randy and me – Randy and I – about L1 acquisition." MrP I read your question wrong... oops. Um, I...

I sympathize with Jeff. When I was learning English--that's decades ago--I read a grammar book delineating the same rule as Jeff brought up. As years passed, I realized that's a rather weird rule. I checked it with native speakers, they said in unison to the effect that I should forget the...