Both episodes seem to have a conflicting backstory involving Mr. Krabs. In the former, he has always been a moderately rich trickster; whereas in the latter, he lived a poor childhood (hence him discovering money in barely grade school). Normally, this situation would not be such a problem. But the two episodes are supposed to be "informative". So, bluntly, which one do you prefer?
Personally, the Friend or Foe one is much more realistic, and for a show like Spongebob, that's a plus. Krusty Krab Training Video's one of the series' finest, on the other hand. Still, realism in Spongebob. Let