FWIW I stopped having high primer problems when I stopped using a tired Lee handheld nut cracker primer tool, and went back to the old & slow RCBS tool mounted on the RockChucker's frame.
Remember Aesops Fables outcome of the "Scorpion & and the Frog's" crossing the river when they get to other side
TooTaToo...We have MET the Enemy...and He is US !!... Pogo
Those who fail to learn from History are doomed to repeat it...George Santayana