[octosphere]

> Sane defaults are really important for people who don't know anything about the internet

That's fair. I apologize for sounding elitist. I guess you could say I am a bit biased here because although sane defaults are ultimately worth shipping, there exists the tinkerer types who love nothing more than configuring and customizing their addons.

> Adblocking not working in private mode isn't a sane default

Perhaps you are right about AD-blocking addons. You typically want them in normal browsing mode and private mode, but it's the mountain of other addons which spy on users that users have to worry about. I don't have to worry because I inspect the code of addons before installing (more elitism in practice). I have spotted a few in the wild that covertly send your browsing history and other details to a remote server (Yes, I reported them).