Sacred Haven of Debauchery

They would be too lazy to clear even ruins for the sake of ideology. It's always easier to build something new somewhere else.

Why clear anything for the sake of ideology?) Indeed, it's easier to build something new in another location, isn't it?

Added 1 minute later
On the other hand, some people find ruins unappealing.
But others find them appealing.
Therefore, their interests are mutually exclusive; one minus one equals zero, and what remains is what is easier.