Comment by AdamN

Interestingly that's one of the Marxist critiques. The market simply is not efficient enough to work fully. The effort to get Lego2 off the ground is simply too high and Lego gets an effective monopoly in their market segment (premium blocks).

If Lego was nationalized then the excess earnings that go into the owners' pockets as dividends or asset value would be realized by the people. But that of course leads to different inefficiencies (investors don't invest, etc...).