If you never had to eat crow then you lived one boring life.
I'm surprised there isn't more of a response here. People were outraged when the BP 50% started taking a month.
...Amex is obviously trying to give themselves legal cover for things they’ve already been doing (and probably have wanted to do even more) by freezing points accounts of those who’ve signed up for a card with a leaked signup link that was meant for a specific person or a shared signup code. As well as those who return the purchases used to meet the spend threshold.