They have fallen a long way from their Viking roots.
Why?
Because of their gratitude at him materially reducing the risk to their insured English merchant ships! That was worth *a lot* to them.
After Nelson died at Trafalger without an heir, the silver sort of scattered around. Later in the 1800s, the Names bought most of it back, and it is on prominent display on the floor at Lloyds. I saw it there in a tour about 25 years ago. I think there's a 2nd display of similar size, as well as the famous Lloyd's bell nearby.

The Battle of Copenhagen is when Lord Nelson famously ignored an order to retreat. He held his telescope up to his blind eye and declared that he couldn’t see the order, and then he kept on fighting and won.
It should be noted that the order to retreat was actually half-hearted — it would have allowed Nelson to retreat with honor if he felt it wise to do so. But there was an expectation that Nelson might do exactly what he ended up doing. Nelson was a fighter.
The Royal Navy has a long history of Sneak Attacks.
They never forget that their distant progenitors were Vikings and pirates, masters of treachery