It’s terribly inconsiderate and lazy to tell people to go look up something you know.
If you know it, have the courtesy and human decency to post it for others. It doesn’t take that long.
I put that in the same category as people who simply post a Bible reference post without posting the verse. NOBODY has the entire Bible memorized by reference, and if you looked up the Scripture reference to mention it, take the few extra seconds and copy and paste the verse.
They are posting a verse reference looked up on a concordance without actually ever reading the verse.
They smugly just post the reference