As someone who has always seen ancap stuff as a mix of bullshit and good intentions (and it's easy to correctly identify a flaw in the status quo while having o

As someone who has always seen ancap stuff as a mix of bullshit and good intentions (and it's easy to correctly identify a flaw in the status quo while having only non- or counter-productive ideas about what to do instead), I'd like to know more from a former ancap… Do you have any ELI5 about stuff like (A) whether there's anything interesting in ancap stuff or if it's just repeating the same simplistic dogma all the way down and (B) how to get ancap folks to recognize the validity of agnosticism (i.e. somehow get them to take the first step from blindly dogmatic to being able to express their ideology as interesting ideas they like but acknowledge that they can't actually know omnisciently that it aligns with reality…)