[Deadmeat]

If it'd been done in NZ, i'd agree that it was a bit rough.
But it was done in the UK, a different magnitude of potential threat applies; security dude sees quick moving person with no way of knowing the persons intent, tackle is absolutely the appropriate response. At least he wrapped the arms...

edit
“I am very surprised, the other boys would’ve done the same thing,” Williams said after the presentation, according to ESPN.

He added: “Also [All Blacks forward] Liam Messam gave him his beanie and is wondering whether he can get a replacement.”