At the outset, at least, all three groups had something else to recommend them, as well: They were headquartered 3,000 miles away from the East Side of Manhattan. ↗
And you can tell the writers who do it - Robert Stone, for example, who with each new novel is doing something new. I appreciate that in other writers. ↗
I think you can have moderate success by copying something else, but if you really want to knock it out of the park, you have to do something different and take chances. ↗