She's writing for her audience, not HN's. Plus, she's quite inexperienced in both writing professionally and self-publishing, both of which some have toiled away on for years and have not even a 1/100th of her success to show for it.
Finally, her blogging style isn't for everyone. Some people want to come across as "not phony" and tailor their writing style to that ethic. Maybe you don't have the patience for a non-professional tone.
Finally, her blogging style isn't for everyone. Some people want to come across as "not phony" and tailor their writing style to that ethic. Maybe you don't have the patience for a non-professional tone.