Hacker News Reader

It's a political story and is thus likely to be flagged as off-topic by a large number of people.

Unless a political story has a strong tech slant, expect it to disappear off the front page quickly no mater how many upvotes it gets.

It was about the Hong Kong police using a new technology (likely "DNA paint") to mark protestors, likely for future prosecution

DNA isn't mentioned anywhere in the linked story. It only says blue dye and there is nothing new or technological about that.