Chuks, you're doing a pretty good job of misreading OKC's post.
1. Yoke/yolk. Could be a typo, could be an auto-correct problem, could be that he really didn't know the spelling is different. You know that many pilots aren't the most educated bunch don't you?
2. He is not saying that any experienced 737 pilot could get themselves into the situation he described, he's saying that they could figure the situation out easily enough so he doesn't need to spell out the details of what he did. Presumably he used nose-down trim to help with an aggressive level out (light weight, low level, high power) with full power and then pulled the power back to keep the speed under control resulting in a grossly out of trim aircraft.
3. He also said that he deliberately did not trim to fix the problem because he was trying to replicate the mistake a tired crew may have made.
4. I agree that the concept of not saying exactly what he did so as not to compromise the investigation is just bizarre. But you know what? I know pilots who believe the moon landings were faked. The odd bizarre idea someone has does not necessarily negate the thrust of what they're saying.