This comment always comes up when regulation is proposed: "But people will just game it!" The solution is not to throw our hands up and say "Well, we just can't regulate this!" The solution is to prevent the gaming, too. Laws should iterate as often as people find clever ways to work around their spirit.
Why do you people always need to use more jackboot? At some point the juice is not worth the squeeze.
If the rule changes fixes it in 9/10 cases and 1/10 games it then call it success and move on.
Realistically if the biggest problem is couple’s divorcing to get a second home, then the problem has been pretty well attacked