It's a fantastic story written today. Each recipient can only receive it by realizing the ability to read it - whenever that time is to be found.

This makes the more timeless properties interesting, perhaps.

For example, those who own the tools of production can enter to grab for the large share of the market that can do nothing but not go away until all are free or all are dead.

It's less that this was impractical in 1920s, it's more that each period has the monopolies of its time.