I'd like the compensated-for-review bit to be a checkbox, and then to be able to set a profile setting that excludes them from reviews and ratings. As it is today, I have to scan reviews for the telltale text, then mentally recalculate the rating from whatever's left.

I doubt Amazon would do this, because they probably consider these reviews to be barely on the good side of the line between fake and real, and higher ratings undoubtedly lead to more sales. Moreover, before the FCC rule change, this probably happened all the time but nobody disclosed it at all.