Earlier quoted context omitted.
I suppose it depends on what your end goal is. For example, I've disabled news notifications on my phone. I used to get pinged multiple times per day to be told that either someone had died in an accident, or was raped and murdered, or some other such thing. One might argue that I'm sticking my head in the sand and 'living in a bubble' by turning these off. But while I think it's beneficial to expose myself to ideas…
I've never understood people keeping enabled notifications which are not directly for them (like for email/IM/SMS messages and own calendar reminders). Must be people with a lot of spare time with nothing to do or someone who doesn't know how to disable notifications (I was just yesterday configuring mother's phone disabling notifications after she asked me to disable her lock screen completely since she doesn't use…
I honestly only got a couple of those notifications before disabling them.
I was more trying to find an example of how curating a filter bubble can be healthy, but one that wasn't anything to do with Twitter since it's too politically charged for people to think clearly about.