Earlier quoted context omitted.
Our data doesn't support that. Most of our traffic comes from hackernews, reddit and similar. However because our blog is too niche? https://medium.com/@buckaroo.pm
You’re discounting the security/authority that “medium.com” brings over a random domain name. You might get less traffic from HN and Reddit if you weren’t on Medium. Edit: just because a few people (myself included) have a negative reaction to a Medium link doesn’t change the fact that many Medium links are upvoted on HN.
EDIT: adressing your edit, do you have any evidence they wouldn't be if they weren't on medium.com?