So the site is optimised for reading headlines.

yes. people read post titles before deciding whether to click through to an article. it's not a requirement to use an article headline verbatim as your post title, and you should consider whether it would be confusing to other users of the site when deciding what to use.

when I’m explaining why I like things to be correct

no, you conflated being on the spectrum with being a lib, which is why your comment got reported. i read the comment as sarcastic since you were referring to yourself.