If it was a straight red, and I think it was, then I thought it was harsh.
It was reckless and from behind but a yellow would have been enough IMO.
Certainly wasn't reckless. He had full control over what he was doing. That's where the cynicism came into it. Reminds me of the ludicrous Kos red some years back where he brought down the last man somewhere near the corner flag. Red again. Made up rules again.