What I'm most curious about is how they get new developers in the first place? Nobody starting their career is going to think "I need to become proficient in a

What I'm most curious about is how they get new developers in the first place? Nobody starting their career is going to think "I need to become proficient in a language, how about the obscure one I have to pay $1000 for". They can't have much of a marketing spend or I would expect to have heard of them. Who is their audience? As an old Turbo Pascal programmer, I'm not asking that rhetorically, I'm genuinely curious.