Even if I am the owner of an apartment, I don't have the right to do a metal concert in my living room some Saturdays at 1 am... or don't have the right to paint my frontage the way I want... cause it creates negative consequences for other people.
Having vacant apartments and houses for long time in places where there is an housing shortage create much bigger negative consequences than few metal concerts...
You do have a right to do a metal concert in your living room on Saturday at 1AM. You don’t have a right to violate the local noise ordinance or, because your example has you as an apartment owner and not a building owner, the condo association rules.
You do have the right to paint your frontage the way you want with respect to the GOVERNMENT.
But more importantly, the GP wanted the government to TAKE VIA FORFEITURE any building that is merely vacant. Your examples are limits on use, not relinquishment of property. They are not the same.
There isn't a government on the planet which doesn't place limits on how you can paint your property. Try painting a death threat against a government official on it for example.
The notion that property rights is unlimited is an extremist view that doesn't match the legal situation in any jurisdiction on the planet with a government.
Having vacant apartments and houses for long time in places where there is an housing shortage create much bigger negative consequences than few metal concerts...