Is it so difficult for you to imagine someone who doesn't have push notifications enabled? I don't like being alerted by emails, but that means I sometimes miss

Is it so difficult for you to imagine someone who doesn't have push notifications enabled? I don't like being alerted by emails, but that means I sometimes miss time-sensitive messages from my boss. I would actually like texts when my boss emails me, because that would be the only alert I get outside of normal SMS.