No it is not wishful thinking to think that when an ex spouse remarries it does constitute a change in circumstances that could lead to a change in child support or support payments. Your emphatic assertions you make have no bases in law or case law. You should do some research before you post such statements.
In Kentucky when someone remarries, their financial support changes and that is considered when the courts review a case for a change in circumstance.
https://lawreader.com/?p=15396
Start reading.
https://scholar.google.com/scholar?h...+husband&btnG=

