In retrospect, I should have taken my colleagues’ failings as a warning signal. Instead,relying on my own positive experience rather than their negative ones, I became an eagerevangelist for the Boicean cause. With a convert’s zeal, I recited to anyone who would listenthe many compelling reasons why daily writing works
This quote sounds a lot like the sort of dogmatic advice that (Luhmann) zettelkasten converts might give. This process works for them, but it may not necessarily work for those who either aren't willing to invest in it, or for whom it just may not work with how their brains operate. Of course this doesn't mean that there isn't value to it for many.