Interesting to see some examples. Thinking it might be helpful for some to see, I calculated a few from my blog taken at random (excluding DSound posts.)

(I never use bots or self-vote until after the 30 minute window to give my curators the maximum curation possible. I thought the numbers might be interesting because of that.)

Here's some calculated percentages:
79.2%, 78.8%, 78.1%, 78.7%, 77.4%

So it looks like, for those using this type of strategy, the difference would be rather negligible. Perhaps most people don't use it, but some definitely do.

(I also meant to mention that barely anyone has me on autovote early on. Most of them come through from 19-29 minutes)

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What I agree with you most about, so far, is the sheer overcomplexity of the system which discourages adoption. It ought to be straightforward. Dynamic, sure—but it's awkward already as it is to discover a post and not vote on it for a while. The only improvement about the new scheme is reducing the window to 15 minutes so you don't have to sit around and wait forever.