Diameter makes a difference, just like width does. The bike industry would have largely relied on just one diameter of wheel if this were the case.
Maybe 26" will be the best choice for you. or 27.5". or 29". Leaving one tire size or another out of the equation, or leaning towards another is a mistake unless you've thoroughly tried out different takes on frame geometries with ideally all three being put to the test.
I've used all three, love all three, aim to split the difference with a 27.5, but will lean towards 26 or 29" depending on how wide or thin i need my tires to be.
This is IRRESPECTIVE on how common one size of wheel manufacturers will lean toward when designing a frame. Anyone can make good use of all three wheel diameters with any combination of tire width under a variety of purposes. how would you know which is best without an apples to apples comparison regarding frame design?