You can also send them a secure message explaining youd like a reconsideration and explain why. My gut says the first reason given is their main one, famous for pyramids and the others are just ones given taken from your credit report. If i were to look at my report it seems to always too many inqs in last 12 months or not enough time established etc.
Best of luck , PF is a great CU that at least listens to its members