Originally Posted by
CanadaDH
I believe that hypothesis came from a belief that if you didn't spend enough to earn at least 1 point on a stay, that the Accor system didn't automatically post the night credit. I don't know if that's true, since I don't think I've ever tested that. It's also possible that used to be a thing, but has since been fixed. Those Accor IT guys are always tinkering and breaking things, and maybe they occasionally fix something, too.
Indeed. Though interestingly as long as you spend enough for one reward point, you'd imagine that should be enough. For a diamond that could be €0.11. Also the T&C's define "minimum spend" as €1 but then never use the term, so who knows?