Beyond being desperate for a rule book, most people NEED to be right.
And I don’t think in this instance it’s a case of stubbornness. It’s a way to avoid buyer’s remorse (pun intended!)
If the decision I made was the hands-down best one for EVERYONE, of course it was the best for me.
The only people I take seriously in…

In your first sentence you tacitly admit that their is less responsibility yet press on with the idea that all the maintenance is the same.