At this point we have not received direction to say the logo should not be used. However, that is not precisely the same as saying that permission has been granted to use the logo.
It is wonderful that the brothers and sisters want to make gifts for the visiting delegates and we would not want to stifle their creativity or enthusiasm or spirit of giving. As Philippians 4:5 says we want to “let our reasonableness become known to all men.” So use of the logo should be reasonable, that’s all.