There is one issue with the stats though. A lot of HN users are privacy focused, including me. Many have disabled GA or any other third party tool. I think it

There is one issue with the stats though. A lot of HN users are privacy focused, including me. Many have disabled GA or any other third party tool. I think it will be more than 15k users for you in that regards. To get the correct estimation, one might need to include an integrated pageview component on the app/post or maybe Snowplow.