To be fair, making a change (particularly changing a habit) takes time. Having something there to remind and nudge you helps make this easier, especially when you're tired, stressed, 'just looking for a short break', etc, etc.

It's like they say: "Your demons will comfort you when no one else will. That's why it's so hard to get rid of them"

Yes.

Have you never suffered from habitual reflexes? I blocked twitter for a while in my hosts file and a dozen times over those first few days I instinctively opened a new tab and typed twitter in