-"You are planning to fly from A to B"
-"Yes"
-"But the actual and forecast weather indicate that it will be below AOM at the destination"
-"I know"
-"You can not legally land there"
-"I know"
-"So You are not going to fly from A to B then?"
-"Yes I am - I am going to remain 1000 ft above the destination unless at least the minimum RVR for the approach is reported"
-"How can you do that if the weather is below minima"
-"I am going to fly there and I'm going to divert to C or D if the RVR is below minimum"
-"OK so your are departing flying to B, then flying to C or D to make an approach" Yes that is OK because C and D are above alternate minima.
Is that a "different plan" from flying from A to B, DFC? If you think so, I think you might need to send a lot of AOC-holders on your flight planning classes.