Yes, if you want to see Hackernews posts, get them from Hackernews yourself. Reposting to Lemmy just adds more posts with zero engagement that new users will see and be put off of the site for
Several months ago we had three different instances with their own Hackernews communities and their own repost bots posting the exact same things, with zero discussion.
Lemmy needs more actual discussion, and fewer bots adding noise to the feed.