If they did and then "undeveloped" it, that wouldn't much help. Right? The last island will have been destroyed for future generations to study and enjoy.
Not being Canadian, I have no clue what the context is. This might be the last of a unique piece of nature, or it could be the first acre of an endless desert. That context changes the meaning quite a bit, doesn't it?
I'm not Italian, but I'd be upset if Italians bulldozed Pompeii.
It's a world heritage site! Some things belong to everyone and are worth preserving.
I'll gladly "undevelop" and take compensation to move if a temple was discovered under my house.
So your comment has no meaning. I sure will "undevelop" my land, and since the law would force me, we can see that society as a whole had voted that I should, in certain cases.