I think they're likely looking to do the minimum to make the uppity bureaucrat at an enforcement agency go bother a softer target. Monetizing the PII is probably just a side benefit that helps offset some of the cost.
I suppose if they'd made it the size of an A4 folded along its major axis it would have been easier to hold, though reading text would have been annoying.
That’s not why, mate. They want an easy way to collect your name, age etc.