Conspiracy to stop sellers blocking non payers!

I set my buyer preferences to block non payment strikes within 12 months. I save it. When I go to list something else it goes straight back to one month. I have to change it every time and even then the screen does not stay there the first time. Does anyone else have this problem and have they solved it? Or is this Ebay trying to stop sellers from blocking the hordes of faultless buyers?

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Orignal From: Conspiracy to stop sellers blocking non payers!