This is an odd one to me, but it’s uncanny how frequent I find the same outcome. I have a handful of double isolated stumps on lakes I fish. It’s really uncanny how many big fish I have caught in those places where two stumps are together but isolated from any other cover in the area.
I’ve also found you catch fish loose on those stumps where there are two together like that with some space between them. It makes me wonder if they don’t have a feeding ground established between the stumps and they just meander back and forth through them instead of just burying up in one.