Reddit 'revamped' its block feature so blocking actually works
 

Reddit is “revamping” its block feature so that blocking on Reddit functions more like other social platforms. With the change, blocking a user on Reddit will not just block that person’s posts from your view, but will also prevent them from being able to see or interact with your posts.

https://www.engadget.com/reddit-upda...8.html?src=rss