
@Tom T: I believe ABP does block requests, and only resorts to element hiding for inline elements.
@access2godzilla: You're right, I did treat ad blocking & privacy together, because generally they involve similar issues and similar solutions (NoScript, Adblock Plus, or RequestPolicy, used in their usual modes, will handle both fairly well).
The idea of using surrogates to make sharing buttons work, without compromising privacy, even when blacklisted, is interesting, but I suspect it's non-trivial. Generally surrogates just do a no-op, but to make the buttons actually work, you'd probably have to write specific JavaScript to do the job of each script. If you want to take up that challenge, then OK, I'm sure people here would be interested (although most serious NoScript users would be OK to just forgo the buttons altogether).