> So avoid the kind of distraction that pushes your work out of the top spot, or you'll waste this valuable type of thinking on the distraction instead. (Exception: Don't avoid love.)
PG never explains why love is an exception. Perhaps he thought it was obvious. I disagree.
I agree that familial love is important to the overall human experience. But this isn't an essay on how to live a fulfilling life, it's an essay on "how to do great work," for a so-called "very ambitious" person who wants to achieve "great work" at any cost. In this context, familial love is no less of a distraction than anything else. History is littered with eccentric artists who prioritized their work above any human interaction, and achieved fame for it.
So why does PG say not to avoid love? I believe it's because deep down, he realizes that "great work" isn't the most important thing in life—but he isn't quite aware enough to acknowledge it.