The official OnePlus India Twitter handle erroneously posted a Tweet about the Samsung Galaxy Note 20 Ultra. It was promptly deleted, but eagle-eyed users managed to screenshot it. OnePlus seems to have taken the whole incident in good spirit and implored Samsung to return the favour.
https://www.notebookcheck.net/OnePlus-India-accidentally-sings-praises-of-the-Galaxy-Note-20-Ultra-s-S-Pen.549916.0.html