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Yes, there is a middle ground, as we are seeing.
the 10,000 mile oil change interval was just a standard because it was a safe interval where you were assured that no matter what happened, your engine would be safe from damage. Fairly sure, anyway.
The oil probably doesn't need changed at 10,000 miles the majority of the time, but it's not the ones that don't need changed to worry about, it's the ones that do need changed and would ruin their engines if the interval was larger that matter in this case.
I do believe in the above, but i continue to change my oil at that interval even if it doesn't need it. Why? Mostly because I don't want to find out when it does need changed. No one wants to risk engine damage. No one sane, anyway.
As sensors for this sort of thing come out, the interval will get longer because you can change your oil when it is needed, not just when you guesstimate that it might need it. We don't have that luxury, so keep changing it out.
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