I can see how players can find this 50/50 chance unpleasant, but I'm looking at it a bit differently.

It was quite a surprise to see the ticket yesterday in my box and I was happy to get it, so I think the present got delivered successfully.
I didn't manage to get a rainbow (this being probably my best chance for it, since I'm a f2p player, but oh well) but in return I got Convallaria, who I wanted to have ingame for quite a long time.