I know the detrimental effect on a blade caused by taping the spine. It's a trade off. I know that over the years it will change the relationship between edge & spine. I've just made the decision that i'd rather do it.
I'm glad you got it how you wanted it. A frown is a terrible thing!
I don't really have customers. I just use razors till i'm ready for a change, then move them on to justify getting new ones!