You might disagree with the argument, but it's not completely random. From the US, we gained most of the benefits of having nukes and spooks, without having to maintain them ourselves. Since we can't trust them, we now have to decide if it's worth developing our own.
TotallyHuman
Because when everyone knows that your only play is to support the reds, then the reds themselves know that they can abuse that desperation, renege on deals with you, etc. After all, what other plays do you have?
Dropping the deal is short-term disadvantageous, but by establishing a reputation for punishing allies who don't uphold their end of a bargain, they can be more influential in the future.
I think both of these positions are important for coercing Sony. If everyone who was upset left permanently and kept their bad reviews, Sony would have no incentive to backtrack their next boneheaded decision. But it's also true that if everyone jumps back in as if nothing happens, they have no incentive to avoid excessive greed in the future.
Most of the players will come back, and so Sony will be rewarded for compliance. But some players will be permanently alienated, and those permanently lost profits will be a reminder of what happens when you try to screw your players over.
Headlines often change after publication. Everyone's A/B testing these days.