Meh, it's a decent compromise since we can't ever expect copious amounts of FGs here, though I'll agree that the thrill of gambling does go away with these deals.
And just the past week alone, the value of rainbows has gone down dramatically. Even though I somehow beat the odds and barely got any rainbow dupes (fucking Mimosa aside), I'm not sure I can be too happy with getting 10 rainbows in $250.