Wind power is currently about 4% of the total US electrical production and new wind capacity is coming on stream FASTER than our electrical needs are growing. Those are facts.
You claimed there is some mysterious force that would prevent what is already working in 0.01% of Indiana's farm acreage from working on 1% of Indiana's farm acreage. There is no such factor until we get to about 10 times the current level of production nationally. It is only then that the variations in wind become a significant barrier. And by that time, we can close down all of the nuke plants and most of the worst coal plants (and convert the rest to gas).
And obviously, this capacity will not be concentrated in just Indiana or just Texas or just the Dakotas. It will be distributed. And by the time we reach 50% renewable generation, the grids will have improved to better balance the supply. That will give us another 15% of growth potential because the winds just don't stop everywhere at the same time.
Moreover, the economics of wind turbines are such that they do not have to run at full rated potential all the time. Even a light breeze still generates a considerable amount of electricity. As we grow into this, the obvious solution is to design over-capacity by 50% or more as necessary to ensure sufficient power even when one region has lower-then-normal winds.
Solar will also play a big role in this peak capacity problem because the peak demand happens on the hottest, sunniest days, which also happens to be exactly the same times that solar panels produce their maximum output.
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