The market for programming languages has been saturated at least since I got into programming. Which was not all that recently. The market for music has been s

The market for programming languages has been saturated at least since I got into programming. Which was not all that recently. The market for music has been saturated for even longer. But nobody really complains when someone wants to start a band, because we recognize that creative work has intrinsic value, even when it produces little economic return, even if only by enriching the life of its producer. Experimenting with programming languages is only very superficially different from that.