I've never tried flaked oats except in a mash. Oats don't have the enzymes to convert starches and there are no enzymes in extract. You might want to add a pound of 2-row and do a mini-mash in a large bag.
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!"
"I would like to die on Mars, just not on impact." Elon Musk