brent epiphany is so minimal that it cannot be called a 'privacy respecting browser'. When i first tried it on Solus in Early April(it was in the repos at that time), i liked the minimalism but it does not provide flexibility.....like you cannot customize its looks,you cannot add extensions etc. It, however includes a whopping 3rd party ad blocker, 'a privacy respecting google safe browsing' feature and webkit's standard tracker blocker.
i think you might find the following interesting:
the author of the above article says that gnome devs arent aware of eyeo's bad intentions. very true.