You can make that case, but then the only people that see it are those that trek to it.
IMHO they need to be flying, so they can be seen by future generations all over.
There is nothing like seeing the look in child’s eyes when those big radials start up, with the noise and blowback from those big props, then watching it soar off into the sun.
It can be a life-changing experience. I know it was for me.
Certainly there need to be flying warbirds. But the examples of Carolyn, the Franco He 111 and Liberty Belle (and others) show that there are risks involved that are too great for aircraft of specific historic importance.