You thought this had all gone away, didn't you?
It hasn't.
Put yourself in the position of being editor of that first World Atlas of Golf in 1976. You know quite a bit about golf, but you are a publisher. You have to sell books. You have assembled a formidable team of authors: Pat Ward-Thomas, Herbert Warren Wind, Charles Price and Peter Thomson.
One of the suggestions is an eclectic course. It's not vital (and, indeed, it has not been part of the Atlas for many years). The suggestion is taken up. You could fill it with what GCA regulars today might think essential, such as holes at The Addington or Crystal Downs, but you also have to reflect the contemporary and you have to sell books to people who have never heard of any of these. That was why Dorado Beach, Champions, Club zur Vahr and Fujioko were in that first edition, if not actually contributing to the eclectic 18.
There's another issue we've not confronted. We need geographical spread. We have to have holes from every continent, though we might exempt Antartica.
So, the options are:
You get the problem.
Keep trying....