(answers to that page)
1. Falklands War is the most recent proper naval combat, it is quite a large event for the British for sure.
2. As it has been used as a cadetship, many people feel connected to it. Those who were trained on board, and those who have fought on board.
3. It is rare and special, one of its kind, and as mentioned, would be a cold war preserved destroyer.
4. It will be history for the future, just like HMS Victory was, and Belfast.
HMS Victory was no extraordinary ship back in her day, yet she was kept.
Same goes for Belfast. They were kept because of the peoples love and admiration, not because some historians said "muh lessons"
And no, not everything old should be kept. This ship has a meaning to many people, it is as what I'd call a personal treasure, unlike the Victory being more of a national treasure.