I am a NT member, along with the present Mrs Hughes, and I think it's a great idea.
I would not visit personally, but it is a culturally significant site, and its place in history will become apparent when it is actualy history, as opposed to its present status which is modern-day.
Every property the Trust oversees was a new building once, with no apparent heritage or history - they are received with the passing of time, as this site will receive its own historical context.
That is entirely a separate issue from the fact the the BB show does not entertain the majority of Trust members.
As advised - anything which awakens interest in the young - and potential future Trust members, has to be a good thing.
Will the present Mrs Hughes and I be paying a visit?
No chance!