> HN users can't read Twitter threads that way
This doesn’t seem correct. I can view all of these without a Twitter login. Compare this with nytimes, where a login is required but we still always post the canonical URL per the guideline.
> Plus this helps to reduce offtopic complaints in threads.
That can be a fixed with moderation and bans.
That's why I said "threads". As far as I understand it, logged-out users can see the initial tweet at a link, but not the replies.
> That can be a fixed with moderation and bans.
That is an excessive view of what can be done with hard power!