Boil your cracked oats for an hour before adding them to the mash. They should be reduced to a slimey, tarlike mass before use, otherwise they will not add anything to the brew. I think oats are part gravel.
The alternative is a two, three hour mash.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
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