Overzealous council?

The in-laws will no longer discuss it with the OH, ‘it’s done’ apparently. I think they feel a little foolish for having accepted it without question, and now won’t let us get involved. They can be stubborn like that some times (can’t we all), and you get the backlash if you try and push too hard.

fair enough, we've all been there

No point stirring up a hornet's nest.