No, better locks are already invented and will fit that standardised barrel just fine. This is either someone minmaxing the BOM or just not knowing much about what they were specifying.
Yes, this is more accurate. They would need to spend fractionally more on the tumbler, which I really think they have no incentive to do because the target customer will not know or care about the physical security upgrade.
The incentive is not being ridiculed and belittled and being taken through the media circuit for a minor loss in profit margin?