No double-dipping

No matter how many sets a particular coin is in you only get credit for the points once. It would be nice, in my opinion, if collectors would only start sets on the registry that they are or have been in the process of trying to complete. When I look at other collectors registry pages and find that they have numerous 'sets' with one or two coins and the same coins in a dozen sets it seems to me to be redundant.

I appreciate NGC allowing me to register my PCGS coins in its registry but a wish they would add a stipulation that at least 50% of your total registry coins must be graded by NGC. There are a few sets I am aware of that every coin is in a PCGS slab and I believe those sets defeat the purpose of having an NGC registry. Suggestions anyone?