Oh Good Grief. My parents are middle class and they owned their land for over 20 years they currently live on before building a home. Yea people used the land. They used it to walk the creek bank and fish and some hunted on it as well. Finally their monetary situation allowed them to build a home now worth about $200,000 or $30,000 back in 1968.
Who are you to tell anyone how soon they should build? The land I live on was owned and untouched for ten years before I finally got the funds to build on. Lucky for me it's land that no scumbag would likely take as it is a steep ridge side. But then again there is greedy trash among us these days who would love to grab anyone elses property they didn't pay for by any means possible. Such trash as that usually preys on the elderly as well. They call themselves caretakers of the land wink wink.
They had other options. As I've pointed out repeatedly, they could have filed an ejectment action. They didn't. It really doesn't seem like they did anything. They just sat there while the judge used it.
Let this be a lesson to those folks that don't tend to their property.