That would never be effective. People can fake their "credentials". Best idea, just take everything and everyone you encounter online with a "grain of salt". Don't be naive.
Good concept but it would be nightmarish in execution primarily because no one would really know if it's fake or not except if it exhibits spam behavior.
Maybe just have a 24hr admin help and policing of this site. After all they ask for money and we read the adverts don't we?
I guess so! It would make you lot trust more!
Yes, one like to check to make sure you are a registered liberal kind of thing.