It's like post-marketing. You're already a user/customer, but companies still want to put psychological hooks in you.
Kind of reminds me of steam's insane discounts or epic giving away games. That's more geared toward bringing people in, maybe.
I'd like to believe some instances of this sort of thing can be out of genuine appreciation for supporters, but I might just be naive... It is straight out of the abuser's handbook.
We could be living in utopia, but those damn youths had to go and break stuff