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The 3 F's...fuel, fertilizer, Fe
It's a balance. I know plenty of 25yr+ no till farmers and others that turn n burn with high speed tillage each spring n fall. Each farm is different and each field is different. You have to turn the dirt every few years to rejuvenate the process is what I have seen.
It is certainly a tool in the toolbox, and depending on fertility management (the types of nutrients applied), you will likely see significant yield benefits from rotational tillage. This is largely due to nutrient stratification (when nutrients are separated or unevenly distributed throughout the root zone), which most often occurs when cover crops are not used, as well as a heavier reliance on surface-applied P and K in heavier soils.
As you mention, it is always a balance, and that is what I truly love about each test/soil - they are all unique.