This all seems reasonable to me. If you want my money or things, you’ll have to use them like I suggest.
But there are limits - with finite resources like land, the present-day owners should not be subject to the whims of men who've been dead for 150+ years.
If in my great-great-great-grandfather's day he wanted part of his legacy to be land passed to his son who'd pass it on to his son and so on - that shouldn't stop me passing it on to my daughter.
https://en.wikipedia.org/wiki/Defeasible_estate
Granting land conditionally such that the ownership reverts once the condition stops being met is very much a thing. I can't find the full details of this particular case, but it sounds like the property went through a long sequences of transfers that probably make the legal situation tricky.