Thanks for the update, its good to get as much information on this as possible. I too will be looking at this when my enewal date comes up (next month I think), and for that thank you for bringing to our attention.
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Genesis:DAN did not "do the right thing."
They did the thing to keep their butts from being fried by an insurance commission, and possibly losing the ability to write insurance in your state.
They knew full well and good that your policy date predated the change in THEIR rules and declarations, and tried to screw you anyway.