This book in particular, and K. J. Parker’s SF in general, reminds me of a quote by Yevgeny Zamyatin:
“It is an error to divide people into the living and the dead: there are people who are dead-alive, and people who are alive-alive. The dead-alive also write, walk, speak, act. But they make no mistakes; only machines make no mistakes, and they produce only dead things. The alive-alive are constantly in error, in search, in questions, in torment.”
Zamyatin was referring to the deadening effects of Stalinist oppression on the arts but I think his quote can apply to bureaucratic and warring societies like ours as well. Go and apply for a bank loan or talk to a lawyer about an insurance claim and experience some treasured moments with the dead-alive.
Despite being fortunate enough to be married with kids and have enough close friends in my life, I like solitude. I've always identified with Graham Greene's protagonists, as well as those appearing in many of Haruki Murakami's stories. Maybe that’s why I'll probably never outgrow the teenage thing (SF, AOR music, dabbling in programming, rugby, etc.).