RG is entitled to whatever he wants. But, if the stepson decides to rebel, it has the potential to become an issue between RG and his wife, her assurances not withstanding.
It if gets to that point, it doesn't matter who is right or who is wrong: everyone loses. And the fallout can spread far beyond the original people involved.
(Been there, done that, got the T-shirt)
I am aware of the danger. I don’t know if he will take it that far...but I will.
I have to do what is right.