AMO is the addon-site itself
the review process isn't against obfuscation, its only against addons which it is prevented from reviewing.
the credit-card thing is mentioned on the description of the addon, same for also the email-muckery stuff
> The code encapsulates XMLHttpRequest in a function called "n", so it's hard to find all the places it phones home.
I honestly don't see how that would make it much harder, personally? just mentally alias `n` to `XMLHttpRequest`
---
ghostery still has a tracking opt-in though, which can be too much for some
Privacy Badger seems to be the "best" bet soon, all automated without any inbuilt knowledge, which is fairly nice.
ghostery probably does similar, and to a better degree currently, but... simply put, I trust EFF more