I've been considering the current system and its seems to me that it would be better to just use American data for the LMF rather than the hybrid system we have today. Why even reference German or Japanese data if those decks can't actually make it into the LMF based strictly on their results?

The current system only considers those decks when that deck is making Top 8 in America. This only seeks to bolster the American results with non-American data. If I don't care that Baseruption is doing well in Europe, why do I care that Threshold is? If Threshold is doing well in America theoretically that is all I care about.

Lastly, it seems to make little sense to restrict LMF status based on an at least one American Top 8, but only have 2 American tournaments count towards the LMF out of the last 6. That means only 1/3 of the tournaments that are being counted for the current LMF update actually have the ability to change the LMF. This seems bizarre and makes little sense.

The other option is simply to include all the data and not to distinguish it based on location.