Which of the bolded points are not like the others here? Are you really gonna get a lot of mileage out of a better router vs removing distractions from your life? Cmon.
[Author of blog post here] Depends on what causes friction in your life, so YMMV. To me, if I have a bad network at home, and I constantly have to fiddle with a router and reboot it whenever the ISP deploys some changes, that's time I can spend on other things.