Since those companies ostensibly don't want to publish the probabilities, potentially because they employ far more subtle 'personalized' addictive tweaks, you c

Since those companies ostensibly don't want to publish the probabilities, potentially because they employ far more subtle 'personalized' addictive tweaks, you can not state (1). In contrast, the distribution for cards in trading card games seems fairly well known, not just to the publisher, but also to the buyer, and no 'personalized tweaking' can occur.