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This will answer the question about antiseize.
http://www.ngksparkplugs.com/pdf/tb-0630111antisieze.pdf



Good piece of info there, I don't use autolite plugs myself(even though others love them) because they turn to rust in about a week.




I see almost ZERO benefit to that article other than the plugs with plating on them were developed to be used on aluminum heads.

I'd like to know who in the heck would tighten a spark plug enough to break it off at the base of the threads



I agree that breaking off the plug while tightening is unlikely. Far more likely to twist off a plug or strip threads in the head while removing a stuck plug. The parts about corrosion and galling from unplated plugs and plated plugs not needing antiseize in aluminum heads is what I found relevent to this discusion.

In theory, there is no difference between theory and practice. In practice, there is.