I got the point, I just don't agree that it's essential or even all that effective to become niche. In fact I can think of many examples were becoming niche wil

I got the point, I just don't agree that it's essential or even all that effective to become niche. In fact I can think of many examples were becoming niche will hurt you in the long term - I mean, hey, my niche used to be Perl :) Which I guess is my point - if you're a programmer and looking to add a language to your toolkit, surely a programming language would be the better choice?