It's less this and the fact that their radical transparency is something that resonates with certain folks who will buy the product because of it, regardless of whether it checks every box on their feature list.

For some companies, they buy software because they like the sales guy who took them out for a steak dinner.

For other companies, they buy software because they like the culture and philosophy of people making it. This is why companies like Basecamp, Buffer, etc. can keep operating the way that they do.