Rules/laws get changed all the time. Fees go up, fees get added, life goes on.
He can choose to do something else, whether he likes it or not.
If he didn't like the law, he should have worked to change the law rather than ignoring it and doing whatever he wants for 20 years.
Just because you've done something for half your life, doesn't give you the right to do it forever.
At some point, people that had never paid taxes had to start paying taxes.
Use fees keep getting put in place, whether it is grazing fees, camp ground fees, lake fees, access fees......we may not like it, but if we just choose to not pay we are subject to the fines and actions associated with that action.
I look at Romans 13 when I have a problem with government authority. Either work legally to change the "authority", submit to it, or move would be my thoughts.
It's a sad situation IMO, he knew right from wrong, he chose wrong. He may feel he had no other choice and that he could get away with it, but he wasn't in the right.
The government is just making it worse with how they have handled it, making more decisions and taking actions that are wrong as well.
Lose/lose situation.