It looks like everybody today wants to spy on you. Google, Facebook, and Twitter want to look at your browsing history, NSA wants to see your calls, emails, and messages history. Microsoft wants to know about everything you do at your PC and now even package managers want to have their share of data, too. What about asking my opinion first? Well, as homebrew developer have said

> The problem with opt-in is that you don’t get representative data.

Users do not seem to be enthusiastic about participating when they have a choice so let's go without asking them.