It's the inconsistency mate.
FWIW - looks like Swinton really dodged a bullet:
https://www.world.rugby/the-game/laws/guidelines/21
Seems pretty straightforward. Initial head to head contact & a lack of control without mitigation is a red card. Very lucky the initial contact was shoulder.
Yeah it was very lucky the contact was shoulder first. But it was - so the correct call was an entry level of yellow. Low degree of danger and mitigating factors so there’s a very strong argument it could have been reduced to a penalty. But it wasn’t and we won so time to move on I guess.
Still not sure which framework they applied as he said no arms tackle - so did they apply the tackle framework or the shoulder charge framework.
Not sure if you saw this link I posted in the refereeing thread but it’s a pretty good walk through the process and the starting point is important.
In May 2019, World Rugby published its Decision-Making Framework for High Tackles (the “Framework”). It was intended as a “systematic tool” to guide decision-making by referees, citing commissioners and disciplinary panels as to the appropriate
rugbyandthelaw.com
Also there’s some convenient photos being posted from the reverse angle several frames after the contact with the right arm behind the body but it was definitely forward of the body at contact. Seen this a few times on social media.
Remarkably similar body positions but I guess the ball carrier has all the rights.
Wonder if the judiciary will release its findings - they do review all yellow cards right?